Yachi iseki
By: Nihon Yōgyōshi Kenkyūjo
Series: Nihon yōgyōshi kenkyūjo hōkoku -- 4; Nihon yōgyōshi kenkyūjo hōkoku -- 4.
Publisher: Nihon'yōgyōshikenkyūjo
Published: 1977
Place of publication: Batōmachi (tochigiken)
Language: jpn
Number of pages: 110