Whitney, Frank; Freeland, Howard J; Wong, Chi Shing; Linguanti, J (2000): IOS Nutrients Data in NE Pacific. JGOFS Canada Data Sets 1989-1998, CD-ROM Version 1.0 Dec. 2000, Marine Environmental Data Service, Department of Fisheries and Oceans, Canada, http://store.pangaea.de/Projects/JGOFS/Canada/home/datasets/whitney/readme.htm