Gould, F., Anderson, A., Jones, A., Sumerford, D., Heckel, D. G., Lopez, J., . . . Laster, M. (1997). Initial frequency of alleles for resistance to Bacillus thuringiensis toxins in field populations of Heliothis virescens. The National Academy of Sciences of the USA.

Gould, F., A. Anderson, A. Jones, D. Sumerford, D. G. Heckel, J. Lopez, S. Micinski, R. Leonard, i M. Laster. Initial Frequency of Alleles for Resistance to Bacillus Thuringiensis Toxins in Field Populations of Heliothis virescens. The National Academy of Sciences of the USA, 1997.

Gould, F., et al. Initial Frequency of Alleles for Resistance to Bacillus Thuringiensis Toxins in Field Populations of Heliothis virescens. The National Academy of Sciences of the USA, 1997.