1. J. Dickson, J. Hesse, A. Kientz and M. Shooman, “Quantitative analysis of software reliability”, 1972 Annual Reliability Symposium Proceedings, IEEE, January 1972.
2. Probabilistic reliability: an engineering approach;Shooman,1968
3. “Preliminary concepts of software reliability”;Shooman,1971
4. “An empirical study of FORTRAN programs”;Knuth,1970
5. Bell System Technical Journal, December 1970: articles on testing of TSPS No. 1 and ESS No. 1 ADF.