Hans Johansen

Hans Johansen (1897 - 1973) was a Danish-Russian professor of zoology, first at Tomsk State University, later at the University of Copenhagen.

Read more about Hans Johansen:  Life, Selected Scientific Works

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Hans Johansen - Selected Scientific Works
... Johansen, Hans (1922) Zur geographischen Verbreitung einiger Vögel in Westsibirien ... Johansen, Hans (1922) Dryobates m ... Johansen, Hans (1924) Russische ornithologische Arbeit während der letzten Jahre ...