1. Restoration of operon activity by suppressors;Beckwith;Biochim. Biophys. Acta,1963
2. Ambivalent rII mutants of phage T4;Benzer,1961
3. The mechanism of gene action;Brenner,1959
4. The chromosome of Escherichia coli;Cairns,1963
5. Sensitive mutants of bacteriophage λ;Campbell;Virology,1961