00298nam a2200121Ia 45000030006000000080041000060400015000471000036000622450040000982600009001385460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGopalakrishnan, L.A. and others  aCompaniion to basic chemistry vol-1  c1970  aEnglish20220125170225.0