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1Academic Journal
المؤلفون: Ohshima, Shin-ichi, Kurosu, Takayuki, Ikegami, Takeshi, Yasuhiro Nakadan, Yasuhiro Nakadan
المصدر: Japanese Journal of Applied Physics ; volume 34, issue 9A, page L1170 ; ISSN 0021-4922 1347-4065
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2Academic Journal
المصدر: Japanese Journal of Applied Physics ; volume 33, issue 10R, page 6058 ; ISSN 0021-4922 1347-4065