Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Alkan, B. 1946a. Kizilcahamam, Bolu (Abant) ve Duzce ormanlarinda Entomolojika arastirmalar [Entomologische Beobachtungen in den Waldern von Kizicahman und Bolu] . Orman ve Av dergisi, Husnutabiat Basimevi, Istambul. 34112-119, 139-146.