00361nam a2200145Ia 45000030006000000080041000060400015000471000038000622450029001002500006001292600045001353000006001805460012001860050017001980STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBansal, M.C.; Sharma, R.K.; Other  aMechanics and Relativity  a2  bPragathi Prakashan; Meerutc2002aMeerut  a0  aEnglish20220125170138.0