00510nam a2200145 a 450000500170000008200190001710000060003611000200004224501300006226000340019230000230022649000770024971000200032671000180034620251203090503.0  a511.6,bD, the  d_  aRosa, Alexander  aTheory and practice of combinatorics: a collection of articles honoring Anton Kotzig on the occasion of his sixtieth birthday  aNew YorkbNorth-Hollandc1982  aviii, 263p, 22 cm.  aAnnals of discrete mathematicsd12 North-holland mathematics studiesd60  aSabidussi, Gert  aTurgeon, Jean