TY - BOOK AU - Swarup R Ed. AU - Jauhari V P Ed. AU - Mishra S N Ed. TI - Environmental problems and global imperatives T2 - Encyclopedia of Ecology, Environment and Pollution control; 18 U1 - G:55, N2.16 RR PY - 1992/// CY - New Delhi PB - Mittal Pub KW - Environment KW - Ecology ER -