APPENDIX A 
9 
28. Young, F. E., E. Radnay, and G. A. Wilson. Manuscript in preparation. 
29. Wilson, G. A. and F. E. Young. Unpublished data. 
30. Wilson, G. A., R. Roberts, and F. E. Young. Unpublished data. 
31. Wilson, G. A. and F. E. Young. Restriction and modification in bacilli. 
In_ D. Schlessinger (ed.), Microbiology 1976, in press. 
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