TY - BOOK AU - Meenambal,T. AU - Uma,R.N. AU - Murali,K. TI - Principles of environmental science and engineering SN - 812192443X U1 - 628 23 PY - 2005/// CY - New Delhi PB - S. Chand KW - Environmental engineering KW - Environmental sciences N1 - Includes bibliographical references ER -