Brunel, F., Heusterspreute, M., Merchez, M., Thi, VH., Pilaete, MF., & Davison, J. (1983). Gene Rearrangements Leading To the Expression of An Insertion-inactivated Tetracycline Resistance Gene in Pbr322. Plasmid, 9(2), 201-214. https://doi.org/10.1016/0147-619X(83)90021-5 (Original work published 1983)