Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Popow, W. J. 1931. Forstliche Entomologie [In Russian] [Scolytidae, p. 57-63, 79, 87-89]. Staatlicher Kolchos Verlag Moskau-Leningrad 1931, 118 p.
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