The based on the proceedings of a symposium and workshop held at the XIX World Conference of the International Council for Bird Preservation, June 1986, Queens University, Kingston, Ontario, Canada Diamond, A. W. (Antony William) 1944- Filion, Fern L. International Council for Bird Preservation World Conference (19th : 1986 : Queens University, Kingston, Ont.) text Cambridge, England The Council c1987 monographic vi, 267 p. : ill. ; 22 cm. edited by A.W. Diamond and F.L. Filion. Includes bibliographies. Birds Conservation Congresses Birds Economic aspects Congresses Birds Social aspects Congresses Indicators (Biology) Congresses QL676.5 .V3 1987 639.9/78 0946888108 : 88171149 UOEL 000 20141202084437.0 000