00262nam a2200097Ia 4500008004100000082002000041100001600061245003500077260003400112300001800146240817s9999    xx            000 0 und d  a510.2462 G797,h  aGrewal, B.C 0aHigher engineering mathematics  c1990a New Delhib Khanna pub  aviii, 1050 p.