00341nam a2200145Ia 45000030006000000080041000060400015000471000029000622450036000912500006001272600027001333000006001605460012001660050017001780STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMisra, S.P.;Pandey, S.N.  aEssential Environmental Studies  a1  bAne Books; Delhic2009  a0  aEnglish20220125170348.0