L. Sedighi, M. Rezapanah, and H. R. Aghdam, “Efficacy of Bt Transgenic Sugar Beet Lines Expressing cry1Ab Gene Against Spodoptera littoralis Boisd. (Lepidoptera: Noctuidae)”, J Entomol Res Soc, vol. 13, no. 1, p. 61, Mar. 2011.