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1Academic Journal
المؤلفون: Gubkin, M K, Ivanov, D A, Ivanova, I V, Spivak, V S
المصدر: Journal of Physics: Conference Series ; volume 891, page 012369 ; ISSN 1742-6588 1742-6596
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2Academic Journal
المؤلفون: Vereshchagin, I. K., Zav'yalov, Yu. P., Spivak, V. S.
المصدر: Soviet Physics Journal ; volume 17, issue 3, page 414-415 ; ISSN 0038-5697 1573-9228
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3Academic Journal
المؤلفون: Belozorova, L. A., Khirich, A. Ya., Naer, V. A., Spivak, V. S.
المصدر: Applied Solar Energy (19349424); 1983, Vol. 19 Issue 6, p67, 0p