Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Niemeyer, H., J. Ackermann, and G. Watzek. 1995. Eine ungestörte Massenvermehrung des Buchdruckers (Ips typographus) im Hochharz (In German). Forst und Holz 50:239-243.
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