00000nam a2200000 a 4500 20251203092048.0 8171005276 577.27 ENV Garg, M.R ed. _ Environmental pollution and protection New Delhi Deep & Deep 1997 xiv,293p. 23cm. HB Environmental pollution Environmental protection Bansal, V.K ed. _ Tiwana, N.S ed. _ ENGLISH 89391 BOOK _ 89391 LIBSC C 62584 62584 0 0 0 0 PU PU 1999-02-02 300.00 0 577.27 ENV 89391 BK