1. U.S. Fish and Wildlife Service, Fisheries and Habitat Conservation, Alaska Fisheries Technical Report 67;Bromaghin J. F.,2003
2. Alaska Department of Fish and Game, Division of Commercial Fisheries, Regional Information Report 3A02-49;Cleary P. M.,2003
3. Canadian Technical Report of Fisheries and Aquatic Sciences 1108;Cousens N. B. F.,1982