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 : Queens University, Kingston, Ont.) text bibliography conference publication enk Cambridge, England The Council c1987 1987 monographic eng vi, 267 paginas. : ilustraciones. ; 22 x 13 cm. specialized 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 Aves aspectos sociales Aves Aspectos económicos biology Biología animal 639.978 T37t 0946888108 : DLC 890930 20160106103421.0