Shirshov, P.P. (1935). Ecological-geographical studies of the freshwater Algae of Novaja Zemlja and Franz Josephs Land. Transactions Arctic Institute, Leningrad, 14: 73-162, pl. 1, fig. 6, etc.
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Shirshov, P.P.
1935
Ecological-geographical studies of the freshwater Algae of Novaja Zemlja and Franz Josephs Land.