Konecka E., Baranek J., Kaznowski A., Ziemnicka J., Ziemnicki K. 2012. Interaction between crystalline proteins of two Bacillus thuringiensis strains against Spodoptera exigua. Entomologia Experimentalis et Applicata. 143(2): 148-54. doi:10.1111/j.1570-7458.2012.01254.x