@article{Reiterman-Rodl-Sinajova/92, AUTHOR = {Reiterman, J. and R{\"o}dl, V. and {\v{S}}i{\v{n}}ajov{\'a}, E.}, TITLE = {On embedding of graphs into Euclidean spaces of small dimension}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {1-8}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Capoyleas-Pach/92, AUTHOR = {Capoyleas, Vasilis and Pach, J{\'a}nos}, TITLE = {A Tur{\'a}n-type theorem on chords of a convex polygon}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {9-15}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{McCuaig/92, AUTHOR = {McCuaig, William}, TITLE = {Edge reductions in cyclically $k$-connected cubic graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {16-44}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Bouchet/92, AUTHOR = {Bouchet, Andr{\'e}}, TITLE = {A characterization of unimodular orientations of simple graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {45-54}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Luczak-Rucinski-Voigt/92, AUTHOR = {{\L}uczak, Tomasz and Ruci{\'n}ski, Andrzej and Voigt, Bernd}, TITLE = {Ramsey properties of random graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {55-68}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Seymour/92, AUTHOR = {Seymour, P.D.}, TITLE = {On secret-sharing matroids}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {69-73}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Zhang-Zhu/92, AUTHOR = {Zhang, Cun-Quan and Zhu, Yong-Jin}, TITLE = {Factorizations of regular graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {74-89}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Rieder/92, AUTHOR = {Rieder, J.}, TITLE = {A note on the $f$-factor-lattice of bipartite graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {90-96}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Markosian-Gasparian-Markosian/92, AUTHOR = {Markosian, S.E. and Gasparian, G.S. and Markosian, A.S.}, TITLE = {On a conjecture of Berge}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {97-107}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Chen-Gross/92a, AUTHOR = {Chen, Jianer and Gross, Jonathan L.}, TITLE = {Limit points for average genus. II. 2-connected non-simplicial graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {108-129}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Coullard-Oxley/92, AUTHOR = {Coullard, Collette R. and Oxley, James G.}, TITLE = {Extensions of Tutte's wheels-and-whirls theorem}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {130-140}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Komjath/92, AUTHOR = {Komj{\'a}th, P{\'e}ter}, TITLE = {Martin's axiom and spanning trees of infinite graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, PAGES = {141-144}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Malnic-Mohar/92, AUTHOR = {Malni{\v{c}}, Aleksander and Mohar, Bojan}, TITLE = {Generating locally cyclic triangulations of surfaces}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {147-164}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Jaeger-Linial-Payan-Tarsi/92, AUTHOR = {Jaeger, Fran{\c{c}}ois and Linial, Nathan and Payan, Charles and Tarsi, Michael}, TITLE = {Group connectivity of graphs---A nonhomogeneous analogue of nowhere-zero flow properties}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {165-182}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Berman-Paul/92, AUTHOR = {Berman, Kenneth A. and Paul, Jerome L.}, TITLE = {The bounded chromatic number for graphs of genus $g$}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {183-196}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Jamshy-Tarsi/92, AUTHOR = {Jamshy, Ury and Tarsi, Michael}, TITLE = {Short cycle covers and the cycle double cover conjecture}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {197-204}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Godsil-Hensel/92, AUTHOR = {Godsil, C.D. and Hensel, A.D.}, TITLE = {Distance regular covers of the complete graph}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {205-238}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Sole/92, AUTHOR = {Sol{\'e}, Patrick}, TITLE = {The second eigenvalue of regular graphs of given girth}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {239-249}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Suen/92, AUTHOR = {Suen, W.C. Stephen}, TITLE = {On large induced trees and long induced paths in sparse random graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {250-262}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Diestel/92a, AUTHOR = {Diestel, Reinhard}, TITLE = {On spanning trees and $k$-connectedness in infinite graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {263-277}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Fishburn-Trotter/92, AUTHOR = {Fishburn, Peter C. and Trotter, W.T.}, TITLE = {Dimensions of hypergraphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {278-295}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Althofer-Sillke/92, AUTHOR = {Alth{\"o}fer, Ingo and Sillke, Torsten}, TITLE = {An ``Average Distance'' inequality for large subsets of the cube}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {56}, NUMBER = {2}, PAGES = {296-301}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Maffray/92, AUTHOR = {Maffray, Fr{\'e}d{\'e}ric}, TITLE = {Kernels in perfect line-graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {1-8}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Frank-Schrijver/92, AUTHOR = {Frank, A. and Schrijver, A.}, TITLE = {Edge-disjoint circuits in graphs on the torus}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {9-17}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Lu/92, AUTHOR = {Lu, Xiaoyun}, TITLE = {Hamiltonian games}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {18-32}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Kaufmann-Mehlhorn/92, AUTHOR = {Kaufmann, Michael and Mehlhorn, Kurt}, TITLE = {On local routing of two-terminal nets}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {33-72}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Gerards/92, AUTHOR = {Gerards, A.M.H.}, TITLE = {On shortest $T$-joins and packing $T$-cuts}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {73-82}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Chen-Gross/92, AUTHOR = {Chen, Jianer and Gross, Jonathan L.}, TITLE = {Limit points for average genus. I. 3-connected and 2-connected simplicial graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {83-103}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Bender-Gao-Richmond/92, AUTHOR = {Bender, Edward A. and Gao, Zhi-Cheng and Richmond, L. Bruce}, TITLE = {Submaps of maps. I. General 0-1 laws}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {104-117}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Bender-Gao-McCuaig-Richmond/92, AUTHOR = {Bender, Edward A. and Gao, Zhi-Cheng and McCuaig, William D. and Richmond, L. Bruce}, TITLE = {Submaps of maps. II. Cyclically $k$-connected planar cubic maps}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {118-124}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Bender-Richmond/92, AUTHOR = {Bender, Edward A. and Richmond, L. Bruce}, TITLE = {Submaps of maps. III. $k$-connected nonplanar maps}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {125-132}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Vande_Vate/92a, AUTHOR = {Vande Vate, John H.}, TITLE = {Fractional matroid matchings}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {133-145}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Schrijver/92, AUTHOR = {Schrijver, A.}, TITLE = {On the uniqueness of kernels}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {146-160}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Bienstock-Dean/92a, AUTHOR = {Bienstock, D. and Dean, N.}, TITLE = {On obstructions to small face covers in planar graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {163-189}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Yokoyama/92, AUTHOR = {Yokoyama, Kazuhiro}, TITLE = {On distance transitive graphs whose automorphism groups are affine}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {190-235}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Tuza/92, AUTHOR = {Tuza, Zsolt}, TITLE = {Graph coloring in linear time}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {236-243}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Moews/92, AUTHOR = {Moews, David}, TITLE = {Pebbling graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {244-252}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Truemper/92, AUTHOR = {Truemper, K.}, TITLE = {A decomposition theory for matroids. VI. Almost regular matroids}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {253-301}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Truemper/92a, AUTHOR = {Truemper, K.}, TITLE = {A decomposition theory for matroids. VII. Analysis of minimal violation matrices}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {55}, PAGES = {302-335}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Vitray/92, AUTHOR = {Vitray, Richard}, TITLE = {The 2 and 3 representative projective planar embeddings}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {1-12}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Archdeacon/92, AUTHOR = {Archdeacon, Dan}, TITLE = {Densely embedded graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {13-36}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Archdeacon-Richter/92, AUTHOR = {Archdeacon, Dan and Richter, R. Bruce}, TITLE = {The construction and classification of self-dual spherical polyhedra}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {37-63}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Hashiguchi/92, AUTHOR = {Hashiguchi, Kosaburo}, TITLE = {The double reconstruction conjecture about finite colored hypergraphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {64-76}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Ruskey/92, AUTHOR = {Ruskey, Frank}, TITLE = {Generating linear extensions of posets by transpositions}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {77-101}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Gao/92, AUTHOR = {Gao, Zhi Cheng}, TITLE = {The asymptotic number of rooted 2-connected triangular maps on a surface}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {102-112}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Fan/92, AUTHOR = {Fan, Genghua}, TITLE = {Integer flows and cycle covers}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {113-122}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Frieze-Luczak/92, AUTHOR = {Frieze, A.M. and {\L}uczak, T.}, TITLE = {On the independence and chromatic numbers of random regular graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {123-132}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Dean/92, AUTHOR = {Dean, Nathaniel}, TITLE = {The matching extendability of surfaces}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {133-141}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Yu/92a, AUTHOR = {Yu, Xingxing}, TITLE = {Non-separating cycles and discrete Jordan curves}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {142-154}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Skinner/92, AUTHOR = {Skinner II, Jasper Dale}, TITLE = {Uniquely squared squares of a common reduced side and order}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {155-156}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Vince-Wilson/92, AUTHOR = {Vince, A. and Wilson, Steve}, TITLE = {Dyck's map $(3,7)_8$ is a counterexample to a clique covering conjecture}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {157-160}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Bokowski-Richter-Gebert/92, AUTHOR = {Bokowski, J{\"u}rgen and Richter-Gebert, J{\"u}rgen}, TITLE = {A new Sylvester-Gallai configuration representing the 13-point projective plane in $R^4$}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, PAGES = {161-165}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Ellingham-Royle/92, AUTHOR = {Ellingham, M.N. and Royle, Gordon F.}, TITLE = {Vertex-switching reconstruction of subgraph numbers and triangle-free graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {167-177}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Truszczynski/92, AUTHOR = {Truszczy{\'n}ski, Miros{\l}aw}, TITLE = {Generalized local colorings of graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {178-188}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Krasikov-Roditty/92, AUTHOR = {Krasikov, I. and Roditty, Y.}, TITLE = {Switching reconstruction and diophantine equations}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {189-195}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Lawrencenko/92, AUTHOR = {Lawrencenko, Serge}, TITLE = {The variety of triangular embeddings of a graph in the projective plane}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {196-208}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Siran-Gvozdjak/92, AUTHOR = {{\v{S}}ir{\'a}{\v{n}}, Jozef and Gvozdjak, Pavol}, TITLE = {Kuratowski-type theorems do not extend to pseudosurfaces}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {209-212}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Kano-Tokushige/92, AUTHOR = {Kano, Mikio and Tokushige, Norihide}, TITLE = {Binding numbers and $f$-factors of graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {213-221}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Diestel/92, AUTHOR = {Diestel, Reinhard}, TITLE = {The structure of $TK_a$-free graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {222-238}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Ramras/92, AUTHOR = {Ramras, Mark}, TITLE = {Symmetric vertex partitions of hypercubes by isometric trees}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {239-248}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Archdeacon-Hartsfield/92, AUTHOR = {Archdeacon, Dan and Hartsfield, Nora}, TITLE = {Self-dual embeddings of complete bipartite graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {249-256}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Aharoni-Magidor-Shore/92, AUTHOR = {Aharoni, Ron and Magidor, Menachem and Shore, Richard A.}, TITLE = {On the strength of K{\"o}nig's duality theorem for infinite bipartite graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {257-290}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Jackson-Wormald/92, AUTHOR = {Jackson, Bill and Wormald, Nicholas C.}, TITLE = {Longest cycles in 3-connected planar graphs}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {291-321}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, } @article{Thomassen/92a, AUTHOR = {Thomassen, Carsten}, TITLE = {Infinite connected graphs with no end-preserving spanning trees}, JOURNAL = {J. Comb.~Theory Series B}, VOLUME = {54}, NUMBER = {2}, PAGES = {322-324}, YEAR = {1992}, PUBLISHER = {Academic Press}, ADDRESS = {New York-San Francisco-London-San Diego}, }