M. E. MENDOZA-HERNÁNDEZ, C. E. GÓMEZ-MUÑOZ, and D. BAENA-GARCÍA, “Evaluation of the damage by the coffee berry borer Hypothenemus hampei in the first stages of development of the coffee fruit”, Rev. Colomb. Entomol., vol. 23, no. 1, pp. 89–95, Jan. 1997.