Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Popovic, J. 1931. Borkenkaferschaden in den Nadelholzwaldern des Drinaund Vrbas-Banates [In Serbian]. Arbeiten der phytopathologischen Anstalt Serajevo 2:57-107, 7 Taf.