00328nam a2200133Ia 4500008004100000041000800041082001700049100001600066245003700082250000600119260004900125300001100174650000900185210716s1984    xx            000 0 und d  aeng  a005.135 HASM  aHasan, M M.  aPrinciples of cobol programming.  a1  aNew DelhibDhanpat Rai and Co (P) Ltd.c1984  aiv,137  aNone