(1972)Conference on the Physics of IIV-VI Compounds and Alloys (1992)Conference on electrical contacts (1970)Conference on Electronic Computation (1974)Conference on Electronic Computation (1966)Conference on Electronic Computation (1963)Conference on Electonic Computation (1980)Conference on Microprocessor Systems Conference on the Physics of IIV-VI Compounds and Alloys International Conference on the Physics of Semiconductors.