[1]
C. Rodríguez-Sánchez, A. Sittenfeld, D. H. Janzen, and A. M. Espinoza, “Bacillus thuringiensis in caterpillars and associated materials collected from protected tropical forests in northwestern Costa Rica”, Rev. Biol. Trop., vol. 54, no. 2, pp. 265–271, Jun. 2006.