00341nam a22001337a 4500020001800000082001200018100005200030245003700082250000600119260005000125300000800175942000700183999001700190  a9788120336896  a510/KOL  aKOLMAN, BERNARD /BUSBY, ROBERT C. /ROSS, SHARON  aDISCRETE MATHEMATICAL STRUCTURES  a6  aNEW DELHIbPHI LEARNING PRIVATE LIMITEDc2012  a522  cBK  c88049d88049