Chenniappan, K.; Murugan, K. Toxic and Synergistic Action of α-Amyrin Acetate With Bacillus Thurigiensis Berliner Aganist the Diamonback Moth, Plutella Xylostella Linn. (Lepidoptera: Plutellidae). J Entomol Res Soc 2010, 12, 15-27.