Bridge Between Control Science and Technology, Proceedings of the Ninth Triennial World Congress of Ifac. Volume 6: Biomedical Applications, Water Resources, Environment, Energy Systems, Development, Social Effects, Swiis, Education., Location: Budapest, Hung, Sponsors: Int Assoc for Mathematics & Computer Simulation, Brussels, Be;IFAC, Laxenburg, Austria;IFIP, Geneva, Switz;Int Federation of Operational Research Soc, Lyngby, Den;Int Measurement Confederation, Budapest, Hung;et al