"Algae Plankton" . . "Phytoplankton North Sea." . . . . "Phytoplancton Skagerrak, Côte du." . . "Hydrobiologie." . . . . . "A treatise on the phytoplankton of the Atlantic and its tributaries, and on the periodical changes of the plankton of Skagerak"@en . . . . . . . . . . "A treatise on the Phytoplankton of the Atlantic and its tributaries and on the periodical changes of the Plankton of Skagerak" . . . . . . . . . . . . . . "A Treatise on the phytoplankton of the Atlantic and its tributaries and on the periodical changes of the plankton of Skagerak, by P. T. Cleve" . "A treatise on the Phytoplankton of the Atlantic and its tributaires and on the periodical changes of the Plankton of Skagerak" . . . . . . . "A treatise on the phytoplankton of the Atlantic and its tributaries and on the periodical changes of the plankton of Skagerak" . "A Treatise on the Phytoplankton of the Atlantic and its Tributaries, and on the periodical changes of the plankton of Skagerak. [With tables.]"@en . "A Treatise on the Phytoplankton of the Atlantic and its Tributaries, and on the periodical changes of the plankton of Skagerak. [With tables.]" . . . . . . . "Phytoplankton." . . "Atlantic Ocean." . . "Atlantic Ocean" . "Phytoplancton marin Atlantique, Océan." . . "Växtplankton Atlanten." . . "Phytoplancton Atlantique (océan)" . . "Phytoplankton Atlantic Ocean." . . "Atlantische Oceaan." . . "Plancton Atlantique, Océan." . .