Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Savenkov, O. 1927. Die Blaufaule (Ceratostomella pini) und die Kiefernborkenkafer [In Ukranian]. Sap. Kkjivsk S. G. G. 2, Mitt. Kiewschen Landw. Inst. 2:103-109.