Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Dedek, W., and J. Pape. 1990. Umweltschonendes Abschoopfen von Borkenkäfern in der DDR [Environment-friendly control of bark beetles in the German Democratic Republic]. Allgemeine Forstzeitschrift 1990:357-359.