00323nam a2200133Ia 4500008004100000020001900041100001500060245003500075250001200110260003300122260000900155300000900164650001600173221231s9999    xx            000 0 und d  a81-7409-195--5  aGrewal B S 0aHigher Engineering Mathematics  a40th Ed  bKhanna Publishers Publishers  c2009  a1391  aMathematics