Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Mokrzecki, Z. A. 1933. Rabusie i pasorzyty Kornika drukarza (Ips typographus L.) na ziemiach polskich. Raub- und Schmarotzer-Insekten des Ips typographus L. in Polen. Polskie Pismo Entomologiczne 12:275-288, pls. XVI-XVII.
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