Beeton, M L, Atkinson, D J & Waterfield, N R 2013, ' An amoeba phagocytosis model reveals a novel developmental switch in the insect pathogen Bacillus thuringiensis ', Journal of Insect Physiology, vol. 59, no. 2, pp. 223-231 . https://doi.org/10.1016/j.jinsphys.2012.06.011