TY - BOOK AU - De,Anil Kumar TI - Environmental chemistry SN - 8122406483 U1 - 577.1405 21 PY - 1994///.[Reprinted 1999] CY - New Delhi PB - New Age International Publishers KW - Environmental chemistry KW - Periodicals KW - Chemistry KW - Environment KW - Environmental Pollutants N1 - Includes index ER -