00301nam a2200121 a 4500008004100000020001500041050002000056100001600076245002500092260003200117300002100149350000900170120416s1995    ||||||||||||||||| ||    u  a0340610476  aQA 76.9.M35 Che  aChetwynd, A10aDiscrete mathematics  aLondonbEdward Arnoldc1995  avi, 209p. : ill.  a0.00