00298nam a2200121Ia 45000030006000000080041000060400015000471000016000622450013000782600056000915460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGupta, K.M.  aMarsilea  bCouncil of scientific and industrial researchc1962  aEnglish20220125170413.0