1. A. Spiteri Staines, A Colored Petri Net for the France-Paris Metro, (NAUN, International Journal of Computers, Issue 2,Vol. 6., 2012), pp. 111–118.
2. T. Spiteri Staines and F. Neri, A Matrix Transition Oriented Net for Modeling Distributed Complex Computer and Communication Systems, (WSEAS Transactions on Systems, Vol 13, 2014), pp. 12–22.
3. Implementing a Matrix Vector Transition Net
4. A. Spiteri Staines, Some Fundamental Properties of Petri Nets, (International Journal of Electronics Communication and Computer Engineering, IJECCE, vol. 4, Issue 3, 2013),pp. 1103–1109.
5. K. van Hee, Information Systems: A Formal Approach, (Cambridge Univ. Press, 2009).