International Conference on Power Electronics--Power Semiconductors and Their Applications International Conference on Power Electronics--Power Semiconductors and Their Applications 3-5 December 1974 International Conference on Combinatorial Geometrics and Their Applications International Conference on Performance of Data Communication Systems and Their Applications International Conference on Ion Implantation in Semiconductors and Other Materials International Conference on Noise in Active Semiconductor Devices International Conference on Computational Techniques and Applications International Conference on the Physics of Semiconductors International Conference on Dynamic Programming and its Applications International Conference on Fracture Mechanics in Engineering Application