000 00624 a2200253 4500
001 119677
020 _a20
041 _aeng
080 _a518.4 Ann:2:68
245 _aProof techniques in graph theory : proceedings of the second Ann Arbor graph theory conference, Feb. 1968 / edited by Frank Harary
250 _a
260 _aNew York
260 _bAcademic Press,
260 _c1969
300 _axv,330 p.
300 _c23 cm
490 _a
100 _aAnn Arbor graph theory conference (1968 : Ann Arbor)
700 _a
650 _a
650 _aGraph theory-Congresses
942 _cBK
942 _2UDC
999 _c58557
_d58557