Pēchika no endō keishiki ni kansuru kenkyū
Series: Kaitaku Kenkyūjo hōkoku -- dai 3-gō
Publisher: Manshū Kokuritsu Kaitaku Kenkyūjo
Published: 1942
Place of publication: Shinkyō Tokubetsu-shi
Language: jpn
Number of pages: 18
Notes: Written by Imai Mitsuo.  Cf. T.p. verso