Raptor Conservation today : proceedings of the IV World Conference on Birds of Prey and Owls, Berlin, Germany, 10-17 May 1992 / 
edited by B. U. Meyburg & R. D. Chancellor ; line drawings by Friedhelm Weick. 
 -- Berlin :   World Working group on birds of prey and owls,   cop. 1994 
 - 799 p. 
<br/><br/>ISBN 1-873403-33-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aves rapaces - Congresos y asambleas
<br/><br/><label>Universal Decimal Class. No.: </label>598.279(063)