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Journal Article Restriction and modification enzymes and their recognition sequences Get access Richard J. Roberts Richard J. Roberts Cold Spring Harbor LaboratoryCold Spring Harbor, NY 11724, USA Search for other works by this author on: Oxford Academic PubMed Google Scholar Nucleic Acids Research, Volume 8, Issue 1, 11 January 1980, Page 197, https://doi.org/10.1093/nar/8.1.197-d Published: 11 January 1980
Richard J. Roberts (Tue,) studied this question.