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Weimarck, H.: Phytogeographic groups, centres and intervals within the Cape Flora. A contribution to the history of the cape element seen against climatic changes. 1941. (Lunds Univ. Arssrkif N. F. Avd. 2 Bd. 37 Nr. 5) 2 maps. 13 tabs. 308 figs. 142 p. Lex8vo. (10328) 21.40
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