00291nam a2200133Ia 45000030006000000080041000060400015000471000023000622450024000852500010001092600009001195460012001280050017001400STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aNarayana Rao, B.V.  aEngineering Physics  aFirst  c1989  aEnglish20220125170218.0