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- Decazy, B., and H. Ochoa. 1988. Eficacia de la aplicacion de un insecticida a bajo volumen sobre la broca del cafe Hypothenemus hampei Ferr [Effectiveness of low-volume insecticide application on the coffee berry borer] [English summary]. Boletin de Promecafe 40:6-10.
- Carrillo, E., H. Ochoa, and B. Decazy. 1989. EvaluaciĆ³n del equipo de aspersiĆ³n motorizado de espalda, a bajo volumen en el combate de la broca del fruto del cafeto Hypothenemus hampei (Ferr) en Guatemala [Evaluation of motorized knapsack spraying equipment, at low volumes, for the control of coffee fruit borer Hypothenemus hampei (Ferr) in Guatemala]. Turrialba 39:387-392.