Sekitan no riyō kakudai no tenbō
Subtitle: seiyaku jōken to taiō no hōsaku.
Contributors: Nihon Enerugī Keizai Kenkyūjo.
Series: Kenkyū chōsa hōkoku ;; 81-3; Kenkyū chōsa hōkoku (Nihon Enerugī Keizai Kenkyūjo) ;; 81-3.
Publisher: Nihon Enerugī Keizai Kenkyūjo
Published: 1981
Place of publication: [Tokyo]
Language: jpn
Number of pages: 315
Subjects: Coal trade -- Japan.; Coal trade.; Coal mines and mining -- Technological innovations.
Notes: Cover title.