Borodajewsky, P. 1935. Descriptions of the most important bark beetles of conifers including B. piniperda, B. minor, I. typographus, I. sexdentatus, Pityogenes chalcographus, Polygraphus poligraphus, and their prevention [In Russian]. Handbook for Forest Technicians. Reprint. 23 p.
Borodajewsky 1935
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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