FRANKOVIČ, Baltazár. Control of discrete production systems - Problems and tasks. In Artificial Intelligence and Information-Control Systems of Robots ´97 : Proceedings of the Seventh International Conference on Artificial Intelligence and Information-Control Systems of Robots. Editor I. Plander. - Singapore : World Scientific Publishing Co. Pte. Ltd., 1997, p. 17-26. ISBN 981-02-3235-7.