00291nam a2200121Ia 45000030006000000080041000060400015000471000031000622450029000932600018001225460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBrij Lal; Subrahmanyam, N.  aMechanics and relativity  bS.Chandc1989  aEnglish20220125170140.0