nkysdb: 共著者関連データベース
OKAMOTO R. 様の 共著関連データベース
+(A list of literatures under single or joint authorship with "OKAMOTO R.")
共著回数と共著者名 (a list of the joint author(s))
2: OKAMOTO R.
1: HIRANO I., SUGAHARA H.
発行年とタイトル (Title and year of the issue(s))
1974: Investigation of Neogene Tertiary Dam Foundation in Japan
1981: Slaking and Swelling Properties of Mudstone