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1974 International Conference on Submillimeter Waves and Their Applications Submillimeter Waves and Their Applications, 1974. ICSWA 1974. International Conference on. :75-77 Jun, 1974
1981 International Conference on Submillimeter Waves and Their Applications Submillimeter Waves and Their Applications, 1981. ICSWA 1981. International Conference on. :1-2 Dec, 1981
1976 International Conference on Submillimeter Waves and Their Applications Submillimeter Waves and Their Applications, 1976. ICSWA1976 1976. International Conference on. :206-207 Dec, 1976