TY  - BOOK
AU  - Ptashne M
TI  - Genetic switch: Gene control and phage
U1  - I21:6, M6 
PY  - 1986///
CY  - California
PB  - Blackwell Scientific Pub       
KW  -  Bacteria
KW  -  Protophyta
KW  - Botany
ER  -