TY - BOOK AU - Bharucha, Erach TI - Texbook of environmental studies: For Undergraduates courses SN - 978 81 7371 540 2 U1 - 628.01 PY - 2006/// CY - Hyderabad PB - Universities press KW - Ecosystem KW - Environmental pollutions KW - Environmental sciences KW - Polluted work N1 - Includes appendix & related titles; Includes bibliographical references & index ER -