López-Pazos, S. A., J. Wilson Martínez, A. Ximena Castillo, and J. A. Cerón Salamanca. “Presence and Significance of Bacillus Thuringiensis Cry Proteins Associated With the Andean Weevil Premnotrypes Vorax (Coleoptera: Curculionidae)”. Revista De Biología Tropical, vol. 57, no. 4, Dec. 2009, pp. 1235–1243, doi:10.15517/rbt.v57i4.5460.