TY - BOOK AU - Tripathy, Debi Prasad, ed. TI - Environmental pollution research SN - 8176482595 U1 - 363.7307 21st ed. PY - 2002/// CY - New Delhi PB - A.P.H. Publishing Corporaiton KW - Dhar KW - Bharat Bhushan, ed KW - Environmental impact analysis KW - Pollutants KW - Pollution KW - Research ER -