B. E. PADILLA-H., J. R. ACUÑA-Z., C. S. VELÁSQUEZ, and J. D. RUBIO-G., “-Amylase inhibitors of the coffee berry borer Hypothenemus hampei in different plant species”, Rev. Colomb. Entomol., vol. 32, no. 2, pp. 125–130, Jul. 2006.