Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Oppermann, T. A. 1985. Rinden- und Holzbrutende Insekten an Immissionsgeschadigten Fichten und Kiefern [Bark and wood insect pests of pollutiondamaged spruce and pine] [English summary] . Holz-Zentralblatt 111:213-217.