Mahillon, J., Sartenaer, D., Nizet, B., Chen, W., & Delcour, J. (1985). Structural and Functional-studies On 3 Small Cryptic Plasmids From Bacillus-thuringiensis. Archives Internationales de Physiologie et de Biochimie, 93(1), B43-B45. https://doi.org/10.3109/13813458509080624 (Original work published 1985)