Não informado. (1949). Science reports of the Tohoku University. Tohoku University, Faculty of Science.
Chicago-referens (17:e uppl.)Não informado. Science Reports of the Tohoku University. Sendai, Japão: Tohoku University, Faculty of Science, 1949.
MLA-referens (8:e uppl.)Não informado. Science Reports of the Tohoku University. Tohoku University, Faculty of Science, 1949.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.