00771cam a2200241 7i4500 0000003488 20080818090000.0 20080818 14:51 080818 -uk 012551350X NM NM QH545.P4 E26 1981 Ecological effects of pesticides editors, F. H. Perring and K. Mellanby. London: Academic Press, 1981. xi, 193p.: ill.; 26cm. Linnean Society symposium series; no. 5 Includes bibliographical references Pesticides -- Environmental aspects -- Congresses Mellanby, K. Perring, F. H. NM 0000008209 Book Open Shelf Dengkil Library