RESTREPO, NORA, et al. “Biochemical, Immunological and Toxicological Characteristics of the Crystal Proteins of Bacillus Thuringiensis Subsp. Medellin”. Revista Colombiana De Entomología, vol. 22, no. 2, July 1996, pp. 69-75, https://doi.org/10.25100/socolen.v22i2.9925.