Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Ruhm, W. 1965c. Zur "Wirtskreiserweiterung" einer mit Borkenkafern (Scolytidae, Col) vergesellschafteten Nematodenart [Host range difficulties of a nematode species associated with bark beetles] . Zeitschrift fur Parasitenkunde 26:230-253.