1. L. Lamport; Specifying Systems The TLA+ Language and Tools for Hardware and Software Engineers; Addison-Wesley 2002.]] L. Lamport; Specifying Systems The TLA+ Language and Tools for Hardware and Software Engineers ; Addison-Wesley 2002.]]
2. UPPAAL Home Page: http://www.uppaal.com/.]] UPPAAL Home Page: http://www.uppaal.com/.]]
3. Xspin: http://spinroot.com/spin/Man/GettingStarted.html.]] Xspin: http://spinroot.com/spin/Man/GettingStarted.html.]]
4. Y. Mokhtari and S. Merz; Animating TLA specifications; In LPAR pages 92--110 1999.]] Y. Mokhtari and S. Merz; Animating TLA specifications ; In LPAR pages 92--110 1999.]]
5. R. Bird and P. Wadler; Introduction to Functional Programming; Series in Computer Science Prentice-Hall International Englewood Cliffs NJ 1988.]] R. Bird and P. Wadler; Introduction to Functional Programming ; Series in Computer Science Prentice-Hall International Englewood Cliffs NJ 1988.]]