Gedanken zu einigen Problemen des "Rassenkreises Cordulegaster boltonii (Donovan)"
Jurzitza, Gerhard
Article
1965
Nachrichtenblatt der Bayerischen Entomologen
014
4--8
BioStor
German
München, Münchner Entomologische Gesellschaft,
BioStor: https://biostor.org/reference/190932
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http://creativecommons.org/licenses/by-nc-sa/3.0/
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