1. 1. R. R. Burgess, R. Losick, and M.J. Chamberlin (1976 ) inRNA polymerase , ()pp. 69 -100 . Cold Spring Harbor Laboratory, New York.
2. GENETICS OF BACTERIAL RNA POLYMERASES
3. 3. A. Ishihama, M. Taketo, T. Saitoh, R. Fukuda, R. Loseick, and M. J. Chamberlin (1976 ) inRNA polymerase () pp. 485 -502 . Cold Spring Harbor Laboratory, New York.
4. Genetic studies on the β subunit of Escherichia coli RNA polymerase