APA

Strong, C., Coastal Research (Firm), C., Department of Fish and Wildlife, O., & States. Fish and Wildlife Service, U. (2002). Abundance and reproductive indices of marbled murrelets in Oregon during 2001 : results of at-sea monitoring : annual report to the Oregon Dept. of Fish and Wildlife and the U.S. Fish and Wildlife Service. : Astoria, Or. : Crescent Coastal Research.