Butcher, R. W. (1967). An introductory account of the smaller algae of British coastal waters. Part IV: Cryptophyceae. Fisheries Investigations, London, series IV, 1967: [i]-vi, [1]-54, 22 pls.
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Butcher, R. W.
1967
An introductory account of the smaller algae of British coastal waters. Part IV: Cryptophyceae