00280nam a2200121Ia 45000030006000000080041000060400015000471000017000622450041000792600009001205460012001290050017001410STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSharma, V.D.  aCreers in engineering and technology  c1974  aEnglish20220125170023.0