00273nam a2200109Ia 4500008004100000041000800041082002000049100001500069245002900084260004200113300000800155211209s1982    xx            000 0 und d  aeng  a510 N80 SHA/SAR  aSHARMA G S  aENGINEERING MATHEMATICS   bCBS PUBLISHERS AND DISTRIBUTORSc1982  a112