TY - BOOK AU - Punmia, B.C. AU - Jain, Arun Kumar AU - Jain, Ashok Kumar ED - TI - Wastewater engineering : including air pollution SN - 978-81-318-0596-1 U1 - 628 ed.2 PY - 1998/// CY - Bangalore PB - Laxmi Publications (P) Ltd. KW - 1. ENVIRONMENTAL ENGINEERING N1 - Includes appendix and index ER -