000 00297nas a22001217a 4500
999 _c37216
_d37216
008 190206s9999 xx 000 0 und d
245 _aJournal of Combinatorial Theory
260 _aCambridge
_bAcademic Press
_c1966-69
300 _a
362 _a1966
650 _aMathematics
_9599
942 _cP