Fiol, G.; Fuster, P.; Puigjaner, R.; Torrens, J.. , "Expert Systems: A Tool for Computer Systems Modelling", Proceedings of the International Conference on the Performance of Computers and Computers Networks,. Sudáfrica, 1990. Capítulo de libro.
Fuertes, J.; Puigjaner, R.. , "Proposal-Petition Protocol: Models for Performance Evaluation", High Capacity Local and Metropolitan Area Network: Architecture and Performance Issues, Springer-Verlag. Diversos Paises, 1990. Capítulo de libro.
Fiol, G.; Fuster, P.; Puigjaner, R.; Torrens, J.. , "Building Expert Systems for Computer System Modelling", V International Symposium on Computer and Information Systems. Nevsehir. Turquía, 1990. Capítulo de libro.