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Currie, RI and Foxton, P 1957 A new quantitative plankton net. Journal of the Marine Biological Association of the United Kingdom, 36 (1). 17-32.
Currie, RI and Foxton, P 1956 The Nansen closing method with vertical plankton nets. Journal of the Marine Biological Association of the United Kingdom, 35 (3). 483-492.