1. Mortality of seabirds in high-seas salmon gill-nets;Ainley;Fisheries Bulletin,1981
2. The number and origin of dead marine seabirds found on Monterey Bay beaches in 1980 and 1981;Anonymous,1982
3. Stranded and incidentally killed marine mammals along the coast of Washington and northern Oregon;Beach,1981
4. The harbour seal in Canada, Minister of Supply and Services;Beek,1983
5. Auks drowned in fish-nets;Bibby;Seabird Report,1972