00320nam a2200121Ia 4500008004100000020001800041082001500059100002000074245003700094250000800131260004600139300001300185190710s9999    xx            000 0 und d  a81-203-1147-7  a512.5 K834  aKolman, Bernard 0aDiscrete mathematical structures  a3rd  aNew delhibPrenticw-hall of india pc1997  axvii,524