Mahillon, J., CHUNGJATUPORNCHAI, W., DECOCK, J., DIERICKX, S., MICHIELS, F., PEFEROEN, M., & JOOS, H. (1989). TRANSFORMATION OF BACILLUS-THURINGIENSIS BY ELECTROPORATION. FEMS Microbiology Letters, 60(2), 205-210. https://doi.org/10.1111/j.1574-6968.1989.tb03447.x (Original work published 1989)