Bullas, LR., Colson, C., & Neufeld, B. (1980). Deoxyribonucleic-acid Restriction and Modification Systems in Salmonella - Chromosomally Located Systems of Different Serotypes. Journal of Bacteriology, 141(1), 275-292. https://hdl.handle.net/2078.5/146266 (Original work published 1980)