TY - BOOK AU - Sawyer, Clair N. AU - Mc Carty, Perry L. TI - Chemistry for environmental engineering and science SN - 0-07-248066-1 U1 - 54:502 PY - 2003/// CY - New Delhi PB - Tata McGraw-Hill KW - Environmental chemistry KW - Sanitary engineering KW - Pollution KW - Civil engineering ER -