1. Expression of the Thymidylate Synthetase Gene of the Bacillus subtilis Bacteriopahge Phi-3-T in Escherichia coli Publication: National Academy of Sciences (U.S.), November 1976 Subject(s): Extrachromosomal InheritanceGenetic EngineeringGenes Archival Collection: The Joshua Lederberg Papers (Profiles in Science)