00289nam a2200121Ia 45000030006000000080041000060400015000471000030000622450037000922600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aArora, M.G. and Singh, M.  aIndustrial chemistry vol-1 and 2  c1999  aEnglish20220125170259.0