47th Fall meeting of the Japan Soc. of Appl. Phys., page. 639, 1986-10-01
45th Spring Meeting of Japan Soc. of Appl. Phys., page. 621 - 621, 1986-01-01
5th Symposium Record of Alloy Semiconductor Physics and Electronics, page. 105 - 110, 1986-01-01