DUSSÁN, J., ANDRADE, D. and LOZANO, L. 1997. Relation of plasmid DNA and larvicide activity in indigenous Bacillus sphaericus strains. Revista Colombiana de Entomología. 23, 2 (Jul. 1997), 103–106. DOI:https://doi.org/10.25100/socolen.v23i2.9888.