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NOVA HEDWIGIA. BEIHEFTE: Heft 099: Hegewald, E., F.Hindak and E.Schnepf: Studies on the genus Scenedesmus Meyen (Chlorophyceae, Chlorococcales) from Southern India, with special reference to the cell wall ultrastruc- ture.1990. 135 pls. 5 tabs. VI,210 p. gr8vo. Paper bd. 61.00 (42014)
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