@misc{indiciaee2218924e84b, title = {Substitution mutation in bacteriophage lambda with new specificity for late gene expression.}, author = {I Herskowitz and E R Signer}, year = {1974}, doi = {10.1016/0042-6822(74)90246-3}, url = {https://pubmed.ncbi.nlm.nih.gov/4415976/}, note = {Source identifier: 4415976} }