- Felix, L. S., B. Uhrenholdt, and J. R. Parmeter (Jr.). 1971. Association of Scolytus ventralis (Coleoptera: Scolytidae) and Phoradendron bolleanum subspecies pauciflorum on Abies concolor. Canadian Entomologist 103:1697-1703.
- Felix, L. S., B. Uhrenholdt, and J. R. Parmeter. 1971. Association of Scolytus ventralis (Coleoptera: Scolytidae) and Phoradendron bolleanum subspecies pauciflorum on Abies concolor . Canadian Entomologist 103:1697-1703.