- Dufour, B., S. Calderon, L. Bernadette, and F. Aragon. 1996. Control biologico de la broca del cafeto con Cephalonomia stephanoderis Betrem. 3. Eficacia en periodo de post-cosecha en funcion de la cantidad relativa liberada. [Biological control of coffee borer with Cephalonomia stephanoderis Betrem. 3. Efficacy in the post-harvest period as a function of the relative quantity released]. In E.L. Ibarra (ed.), XVII Simposio Sobre Caficultura Latinoamericana San Salvador, El Salvador, 23-27 Octubre, 1995. Volumen 2. 13 pp.
- Dufour, B., S. Calderon, L. Bernadette, and F. Aragon. 1997. Lutte biologique contre le scolyte des baies du cafeier en periode de post recolte: methodes d'evaluation [Biological control of the coffee berry borer during the post-harvest period: evaluation methods]. Plantations, Recherche, Developpement 4:115-125.