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Williams, R. (1972). A further character for identification of the adult females of Calanus finmarchicus, C. helgolandicus and C. glacialis (Crustacea: Copepoda). Bulletin of Marine Ecology 8(1):53-60, pls. 17-19, figs. 1-4. (ix-1972)
Williams, R. (1972). A further character for identification of the adult females of Calanus finmarchicus, C. helgolandicus and C. glacialis (Crustacea: Copepoda). Bulletin of Marine Ecology 8(1):53-60, pls. 17-19, figs. 1-4. (ix-1972)
