Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Ass, M. J., and G. P. Funtikow. 1941. Die Besiedlung kunstlich geschwachter Baume durch schadliche Insekten [The infestation of artificially weakened trees by harmful insects] . Zeitschrift fur Angewandte Entomologie 28:157-179.