Otto von Helversen
Otto von Helversen; Helversen; O. von Helversen; O. v. Helversen
* 09 Agosto, 1943 – 02 Março, 2009 †
chiropterologist, university teacher, zoologist, zoological collector
German zoologist and university teacher (1943-2009)
http://www.wikidata.org/entity/Q105403
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