Não informado. (1972). TECHNOLOGY REPORTS OF THE YAMAGUCHI UNIVERSITY. Yamaguchi University, Faculty of Engineering.
Lua i Stíl Chicago (17ú heag.)Não informado. TECHNOLOGY REPORTS OF THE YAMAGUCHI UNIVERSITY. Ube, Japan: Yamaguchi University, Faculty of Engineering, 1972.
Lua MLA (8ú heag.)Não informado. TECHNOLOGY REPORTS OF THE YAMAGUCHI UNIVERSITY. Yamaguchi University, Faculty of Engineering, 1972.
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