McHugh, Dennis J. (2003). "9, Other Uses of Seaweeds". A Guide to the Seaweed Industry: FAO Fisheries Technical Paper 441. Rome: Fisheries and Aquaculture Department, Food and Agriculture Organization (FAO) of the United Nations. ISBN 978-92-5-104958-7. Archived from the original on 28 December 2008
Rathbun, C.; Doyle, A.; Waterhouse, T. (June 1994). "Measurement of Algal Chlorophylls and Carotenoids by HPLC" (PDF). Joint Global Ocean Flux Study Protocols. 13: 91–96. Archived from the original (PDF) on 4 March 2016. Retrieved 7 July 2014.