Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Goryacheva, V. I., and G. I. Andreeva. 1961. Himiceskaja bor'ba s koroedami tipografom i dvojnikom na mestah ih zimovki [Chemical control of Ips typographus and Iduplicates in their overwintering grounds] . Lessnoi Zhurnal Arhangel'sk 4:162-164.