Kokudo kaihatsu to bōei
Subtitle: Kaihatsu Kenkyūkai dai 6-kai kiroku
By: Yamaguchi Tatsuru
Series: Nihon Kokudo Kaihatsu Kenkyūjo tōron shiryō -- no. 36
Publisher: Nihon Kokudo Kaihatsu Kenkyūjo
Published: 1965
Place of publication: Tōkyō
Language: jpn
Number of pages: 58