Correctie
Den Boer, M H
Article
1970
Entomologische berichten
30
Issue: 4
88--88
BioStor
Multiple
Amsterdam
BioStor: https://biostor.org/reference/249644
In Copyright. Digitized with the permission of the rights holder
http://www.biodiversitylibrary.org/permissions/
https://creativecommons.org/licenses/by-nc-sa/4.0/
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