M. M. Hossain, A. Z. Chowdhury, A. Al-Mahin, M. Rahman, and K. A. Rahim, “Larvicidal Activity of <i>Bacillus sphaericus</i> Strain SI-1 and Its Toxins against <i>Culex quinquefasciantus</i> Larvae”, Bangla. J. Microbiol., vol. 24, no. 2, pp. 125–128, Oct. 2008.