00326nam 2200809 4500001000400000003002300004005000900027008004100036082001100077100001700088260002600105250001900131245004400150809StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a510.14 asteven roman bharcourt brace c1989 aالطبعة 2 aan introduction to discrete mathematics