Privacy and security in databank systems: measures of effectiveness, costs, and protector-intruder interactions. - Rein Turn; Norman Z. Shapiro (AFIPS Fall Joint Computing Conference (1), 1972)

Implicit function theorems for mathematical programming and for systems of inequalities. - James H. Bigelow; Norman Z. Shapiro (Math. Program., 1974)

Some Security Principles and Their Application to Computer Scurity. - R. Stockton Gaines; Norman Z. Shapiro (ACM SIGOPS Oper. Syst. Rev., 1978)