00863nam a2200205 a 4500 120418r20061998ii a 001 0 eng 8121916542 BD-KhUET BD-KhUET 363.7 21 sthana, D. K. Environment : problems & solutions / D. K. Asthana, Meera Asthana. New Delhi : S. Chand Co., c1998.[Reprinted 2006]. xix, 434 p. : ill. ; 24 cm. Environmental Science. Asthana, Meera. 4575 4575 0 0 ddc 0 0 KUETCL KUETCL GEN 2008-06-26 Mullik Brothers 0 363.7 AST 3010040930 2012-04-18 00:00:00 1 2012-04-18 BK 0 0 ddc 0 0 KUETCL KUETCL GEN 2008-06-26 Mullick brothers 0 363.7 AST 3010040929 2012-08-12 00:00:00 2 2012-08-12 BK