Gries, G., Gries, R., Pérez Sánchez, A. L., Gonzales, L. M., Pierce Jr., H. D., Oehlschlager, A. C., . . . Kouame, B. (1994). Ethyl propionate: Synergistic kairomone for african palm weevil,Rhynchophorus phoenicis L. (Coleoptera: Curculionidae).

Gries, Gerhard, Regine Gries, Alice Lorena Pérez Sánchez, Lilliana M. Gonzales, Harold D. Pierce Jr., Allan Cameron Oehlschlager, Marc Rhainds, Mesmer Zebeyou, ja Brou Kouame. Ethyl Propionate: Synergistic Kairomone for African Palm Weevil,Rhynchophorus Phoenicis L. (Coleoptera: Curculionidae). 1994.

Gries, Gerhard, et al. Ethyl Propionate: Synergistic Kairomone for African Palm Weevil,Rhynchophorus Phoenicis L. (Coleoptera: Curculionidae). 1994.