Pei, G., Oliveira, C. M. F., Yuan, Z., Nielsen-LeRoux, C., Silva-Filha, M. H., Yan, J., & Regis, L. (2002). A Strain of Bacillus sphaericus Causes Slower Development of Resistance in Culex quinquefasciatus. American Society for Microbiology.

Pei, Guofeng, Cláudia M. F. Oliveira, Zhiming Yuan, Christina Nielsen-LeRoux, Maria Helena Silva-Filha, Jianpin Yan, i Lêda Regis. A Strain of Bacillus Sphaericus Causes Slower Development of Resistance in Culex Quinquefasciatus. American Society for Microbiology, 2002.

Pei, Guofeng, et al. A Strain of Bacillus Sphaericus Causes Slower Development of Resistance in Culex Quinquefasciatus. American Society for Microbiology, 2002.