00394nam a2200133Ia 4500008004100000041001200041082002100053100003300074245004000107250001200147260001600159300001200175650007300187231217s9999    xx            000 0 und d  aEnglish  a510.02462  RAM.2  aRamamurthy K Qureshi, Arshad 0aElements of engineering mathematics  a1st ed.  c1990bSudha  avii+470  aEngineering mathematics Vector algebra Partial differential equation