Cleve, P.T. (1902). The plankton of the North Sea and the Skagerak in 1900. Kungliga Svenska Vetensk-Akademiens Handlingar, New Series 35(7):1-49. (12-iv-1902)
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Cleve, P.T.
1902
The plankton of the North Sea and the Skagerak in 1900.
Kungliga Svenska Vetensk-Akademiens Handlingar, New Series