00376nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001400084245006400098260002500162300000800187650001900195700001600214221030s9999    xx            000 0 und d  a8120311477  aEnglish  a105.23bKoh  aB. Kolman 0aDiscrete Mathematical Structurescby B. Kolman, R. C. Busby  bPHIaNew Delhic2000  a524  aBE Mathematics  aR. C. Busby