00299nam a2200121Ia 45000030006000000080041000060400015000471000014000622450048000762600024001245460012001480050017001600STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRoa, C.S.  aenvironmental pollution control engineering  bWiley Easternc1991  aEnglish20220125170349.0