Boye Petersen J. 1923

Boye Petersen J. 1923. The fresh-water Cyanophyceæ of Iceland. The Botany of Iceland, edited by L. Kolderup Rosenvinge & E. Warming, J. Frimodt, Copenhagen, and John Wheldon and Co., London; Vol. 1, Part 2, p. 251–324.

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