00396nam a2200157Ia 4500008004100000020001500041041001200056082001600068100001400084245006400098250000800162260002500170300000800195650001900203700001600222221030s9999    xx            000 0 und d  a8120311477  aEnglish  a105.23bKol  aB. Kolman 0aDiscrete Mathematical Structurescby B. Kolman, R. C. Busby  a3rd  bPHIaNew Delhic2000  a524  aBE Mathematics  aR. C. Busby