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2. Chaetognaths;Alvariño;Oceanography and Marine Biology, Annual Review,1965
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4. Sond Cruise 1965: factor and cluster analyses of the plankton results, a general summary;Angel;Journal of the Marine Biological Association of the United Kingdom,1973
5. Sond Cruise 1965: further factor analyses of the plankton data;Angel;Journal of the Marine Biological Association of the United Kingdom,1974