00253nam a2200109Ia 4500008004100000041000800041082002600049100002100075245003000096260000900126300000800135211209s1977    xx            000 0 und d  aeng  a510.246 2 N79 VEN/KAL  aVENKATARAMAN M K  aENGINEERING MATHEMATICS.   c1977  a344