The status, ecology, and conservation of marine birds of the North Pacific : Proceedings of a symposium sponsered by the Pacific Seabird Group, the Canadian Wildlife Service, and the British Columbia Ministry of Envi ronment, Land and Parks, held at the Royal British Columbia Museum in Victoria, B.C., on 22 and 23 February 1990
edited by Kees Vermeer, Kenneth T. Briggs, Ken H. Morgan, and Douglas Siegel-Causey
Bok Engelsk 1993