Nienhuis, P. H. (1975). Biosystematics and ecology of Rhizoclonium Riparium (Roth) Harv. (Chlorophyceae: Cladophorales) in the estuarine area of the rivers Rhine, Meuse and Scheldt. Bronder Offset B.V..
Lua i Stíl Chicago (17ú heag.)Nienhuis, Pieter Hendrik. Biosystematics and Ecology of Rhizoclonium Riparium (Roth) Harv. (Chlorophyceae: Cladophorales) in the Estuarine Area of the Rivers Rhine, Meuse and Scheldt. Rotterdam: Bronder Offset B.V., 1975.
Lua MLA (8ú heag.)Nienhuis, Pieter Hendrik. Biosystematics and Ecology of Rhizoclonium Riparium (Roth) Harv. (Chlorophyceae: Cladophorales) in the Estuarine Area of the Rivers Rhine, Meuse and Scheldt. Bronder Offset B.V., 1975.
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