nkysdb: なかよし論文データベース
SCHRYVER Robert F. 様の 共著関連データベース
+(A list of literatures under single or joint authorship with "SCHRYVER Robert F.")
共著回数と共著者名 (a list of the joint author(s))
発行年とタイトル (Title and year of the issue(s))
1973: Geologic Map of the South Half of the Shamokin Quadrangle, Northumberland and Columbia Counties, Pennsylvania