1. Batten, S.D., Crawford, W.R., The influence of coastal origin eddies on oceanic plankton distributions in the eastern Gulf of Alaska, unpublished data.
2. The state of the California Current, 1999–2000;Bograd;California Co-Operative Oceanic Fisheries Investigations Reports,2000
3. Long-term variability in zooplankton biomass in the subarctic Pacific Ocean;Brodeur;Fisheries Oceanography,1992
4. Ebbesmeyer, C.C., Cayan, D.R., McLain, D.R., Nichols, F.H., Peterson, D.H., Redmond, K.T., 1991. 1976 step in the Pacific climate: forty environmental changes between 1968–1975 and 1977–1984. In: Betancourt, J.L., Tharp, V.L. (Eds.), Proceedings of the Seventh Annual Pacific Climate Workshop, April 1990. California Department of Water Resources, Interagency Ecological Studies Program Technical Report 26, pp. 115–126.
5. Freeland, H.J., 1998. The State of the Eastern North Pacific in the First Half of 1997, Vol. 6. PICES Press, Sidney, BC, Canada, pp. 2–4.