Computer Aided Design in Control Systems 1988 - Selected Papers from the 4Th Ifac Symposium, Date: 23 August 1988 through 25 August 1988, Location: Beijing, China, Sponsors: IFAC, Applications Committee (APCOM);IFAC, Systems Engineering Committee (SECOM);IFAC, Education Committee (EDCOM);IFAC, Computers Committee (COMPUT);IFAC, Theory Committee (THEORY0;et al