1)Proceedings of the Second InternationalConference on Mathematical Modeling., St. Louis, Missouri, 1979. vol. 2, pp275-286.

3)     Computer Applications in the Private Security Business (with Sapse,A. & Sapse,M.), Praeger Publications,1980.

6)     Stock Market Analysis Package, H & E Computronics, Inc., 1982.  (36 Menu driven stock market analysisprograms.)

9)   SYSTEMS OF LINEAR EQUATIONS, jointly with A. Wieschenberg, 1985. - Softwaremodule used by Mathematics Department at John Jay College of Criminal  Justice.

12)   Professional Time & Billing Package, Shenkin Compubyte, Ltd., 1986. (67 linked softwaremodules plus documentation.)

15)   "Protect Against Scavenging", SecuritySystems, Vol 16,No. 11, November, 1987, p 30.

18)   A Computer Companion for Undergraduate Mathematics, (with A. Wieschenberg), Ginn Press, 1988

21)   "Power Series and Graphing", Proceedingsof the Second Conference on  Technology inMathematics, (1991) Addison-Wesley.

24)   “Addressing the National Academy of Sciences’Challenge: A Method for Statistical Pattern Comparison of Striated Tool Marks.”Petraco, N. D. K., Shenkin, P., Speir, J., Diaczuk, P., Pizzola, P. A.,Gambino, C. and Petraco, N. (2012), Journal of Forensic Sciences.doi: 10.1111/j.1556-4029.2012.02115.x