26 
V. REFERENCES 
1) Curtiss c^t jal . , "Construction, Properties and Testing of xl?76", 
submitted to the N III Recombinant DNA Molecule Program Advisory 
Committee, March 30, 1976. 
2) Boston Area Recombinant DNA Group, "Critique of NTH Guidelines", 
submitted to the NIH Recombinant DNA Molecule Program Advisory 
Committee, December 1975. 
3) Baker and Hewitt, J. Bact. 105 : 733, 1971. 
4) Campbell, Lengyel, and Langridge, Proc. Natl. Acad. Sci. US 
70: 1841, 1970. 
5) Friedman, in "The Bacteriophage Lambda", ed. A.D. Ikrshey, p.733, 
1971. 
6) Georgopoulos, in "The Bacteriophage Lambda", ed. A.D. Hershey, 
p. 639, 1971. 
7) Frazer and Curtiss, in "Current Topics in Microbiology and 
Immunology" 69 : 1, 1975. 
8) Stewart and Levin, Genetics, in press, 1976. 
[Appendix C — 214] 
