Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Apfelbeck, V. 1917. Izvjesce o bioloskim studijama obzirom na potkornjake (Ipidae) u bosanskimcrnogoricama . Glasnik Zemaljski Muzeja u Bosni i Hercegovini, Sarajevo 28:291-301.