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The Value of birds : 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 / edited by A.W. Diamond and F.L. Filion. - Cambridge, England : The Council, c1987. - vi, 267 paginas. : ilustraciones. ; 22 x 13 cm.

Includes bibliographies.

ISBN: 0946888108 : �18.50

Subjects--Topical Terms:
Birds--Conservation--Congresses.
Birds--Economic aspects--Congresses.
Birds--Social aspects--Congresses.
Indicators (Biology)--Congresses.
Aves --aspectos sociales
Aves--Aspectos económicos
biology--Biología animal

Dewey Class. No.: 639.978 / T37t