00296nam a2200109Ia 4500008004100000082002000041100003000061245003700091250001200128260003800140300000800178240913s9999||||xx |||||||||||||| ||und||  aRACK5510  LIU/E  aC L Liu and D P Mohapatra 0aElements of Discrete Mathematics  a4th Ed.  bTata Mc Graw HillaNew Yorkc2013  a627