Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Kholodkovskii, N. A. 1898. Vom massenhaften Auftreten des typrographus-Borkenkafers in Kiefern. Wissensch. Arb. d. Russ. Ent. Ges. 31, Sonderabdruck, p. 1-2.
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