A genetic switch/  Phage Lambda Revisited 
Ptashne, Mark 
 - 3rd ed. 
 - New York:  Cold spring harbor laboratory press,  2004. 
 - 154 
<br/><br/><label>ISBN: </label>0879697164 
<br/><br/><label>Dewey Class. No.: </label>579.26  / PTA/A