sponsored by Academy of Science Ussr and International Union of Pure and Applied Physics. sponsored by Academy of Science USSR and International Union of Pure and Applied Physics. sponsored by Academy of Science U.S.S.R. and International Union of Pure and Applied Physics. sponsored by American Vacuum Society and International Union of Pure and Applied Physics. Solid State Commission, International Union of Pure and Applied Physics. edited by B. K. Chakraverty and D. Kaplan ; sponsored by the International Union of Pure and Applied Physics. edited by B. K. Chakraverty and D. Kaplan ; sponsored by the International Unions of Pure and Applied Physics. The International Union of Pure and Applied Physics.