1. Object Oriented Design with Applications. Benjamin/Cummings: Redwood City, CA, 1991.
2. Object-Oriented Modeling and Design. Prentice-Hall, 1991.
3. Fluent: A fuzzy logic user environment for an object-oriented fuzzy logic reasoning framework. MSc Thesis, University of Twente, The Netherlands, 1994.
4. Software Design. Addison-Wesley, 1994.