Koushi no kōnaien ni tsuite
Series: Chōsa hōkoku -- dai 11-gō; Chōsa hōkoku (Kahoku Sangyō Kagaku Kenkyūjo) -- dai 11-gō.
Publisher: Kahoku Sangyō Kagaku Kenkyūjo; Kahoku Nōji Shikenjō
Published: 1942
Place of publication: Pekin
Language: jpn
Notes: Written by Takesue Masayoshi. Cf. Pref.