Não informado. Report of Radio Researches and Works in Japan. National Research Council of Japan, Radio Research Committee.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Report of Radio Researches and Works in Japan. Tokyo: National Research Council of Japan, Radio Research Committee.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Report of Radio Researches and Works in Japan. National Research Council of Japan, Radio Research Committee.
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