TY - BOOK AU - Saksena,D.N. AU - Gaidhane,D.M. TI - Environmental biology SN - 9789380012216(pbk.) U1 - 628 22 PY - 2010/// CY - New Delhi PB - Studium press KW - Environmental science KW - Ecology N1 - Includes index; Bibliography: p. 311-312 ER -