Change in Pacific Northwest coastal ecosystems: proceedings of the Pacific Northwest Coastal Ecosystems Regional Study Workshop., Edited by Gregory R. McMurray and Robert J. Bailey. Vol. no.11. NOAA Coastal Ocean Program Decision Analysis Series no.11. Troutdale, Oregon: NOAA Coastal Ocean Office, 1998.

Bottom, Daniel L., James A. Lichatowich, and Christopher A. Frissell. Variability of Pacific Northwest marine ecosystems and relation to salmon production In Change in Pacific Northwest coastal ecosystems: proceedings of the Pacific Northwest Coastal Ecosystems Regional Study Workshop., Edited by Gregory R. McMurray and Robert J. Bailey. Vol. no.11. NOAA Coastal Ocean Program Decision Analysis Series no.11. Troutdale, Oregon: NOAA Coastal Ocean Office, 1998.