Prabhakar, A. and Bishop, A. H. (2009) Effect of Bacillus thuringiensis naturally colonising Brassica campestris var. chinensis leaves on neonate larvae of Pieris brassicae. Journal of Invertebrate Pathology, 100 (3). pp. 193-194. ISSN 0022-2011 (doi:10.1016/j.jip.2009.02.001)

Bizzarri, M. F., Bishop, A. H., Dinsdale, A. and Logan, N. A. (2008) Changes in the properties of Bacillus thuringiensis after prolonged culture in a rich medium. Journal of Applied Microbiology, 104 (1). pp. 60-69. ISSN 1364-5072 (online) (doi:10.1111/j.1365-2672.2007.03537.x)