Lowry, Roy K; Machin, P; Cramer, Ray N (1994): BOFS North Atlantic Data Set. Oceanographic data collected during the North Atlantic cruises of the NERC Biogeochemical Ocean Flux Study (1989-1991): a UK contribution of JGOFS. Natural Environmental Research Council, British Oceanographic Data Centre, Merseyside, United Kingdom, CD-ROM, http://store.pangaea.de/Projects/BOFS/BOFS.iso
CTD data for Charles Darwin cruise CD60 (URI: http://store.pangaea.de/Projects/JGOFS/United_Kingdom/CD60_CTD.pdf)