Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Ruhm, W. 1965b. Zur "Wirtskreiserweiterung" einer mit Scolytiden vergesellschafteten Nematodenart [The host range extension of a nematode species associated with Scolytidae] . Naturwissenschaften 52:167-168.