00387nam a2200133Ia 45000030006000000080041000060400015000471000017000622450105000792500013001842600027001975460012002240050017002360STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKhanna, M.L.  aVector calculus for degree honours and post graduate students of all Indian universities and for var  aTwelveth  bJai Prakash Nathc1994  aEnglish20220125165951.0