00313nam 2208701 45000010005000000030023000050050009000280080041000370820008000780200018000861000021001042600020001252500006001452450018001518701StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a511 a0-07-003575-x av.k.balakrishnan bschaum\s c1995 a2 aCOMBINATORICS