00578nam a2200169Ia 4500008004100000020001800041040001900059041001200078082002800090100002500118245009700143260006300240300002400303650002800327651003200355850002100387131103s9999    xx            000 0 und d  a81 7456 000 9  aLoreto College  aEnglish  a301.31/TRIbLCLIB/42202  aTrivedi,Priya Ranjan  aInternational encyclopaedia of ecology & environmentb Air pollution cPriya Ranjan Trivedi   aNew DelhibIndian Institute of Ecology & Environmentc1995  aV.11b ill.c 21cm.  aEcology - Encyclopaedia  aEnvironment - Encyclopaedia  aLCLIB/301.31/TRI