TY - BOOK AU - Unni,K.Sankaran TI - Conservation and management of aquatic ecosystems SN - 8170352908 U1 - 577.60954 21 PY - 2002///. CY - Delhi PB - Daya Publishing House KW - Aquatic ecology KW - India KW - Aquatic resources conservation KW - Water KW - Pollution N1 - Includes index.; Includes bibliographical references ER -