R. D. Chancellor · 2 obras en el catálogoObrasRRaptors Worldwide. Proceedings of the 6th World Conference oRaptors Worldwide. Proceedings of the 6th World Conference on Birds of Prey and Owls May 2003, Budapest, HungaryCConservation studies on raptorsConservation studies on raptors
RRaptors Worldwide. Proceedings of the 6th World Conference oRaptors Worldwide. Proceedings of the 6th World Conference on Birds of Prey and Owls May 2003, Budapest, Hungary