nkysdb: なかよし論文データベース
SOETOYO 様の 共著関連データベース
+(A list of literatures under single or joint authorship with "SOETOYO")
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))
1986: Peta Geologi Gunungapi Galunggung, Jawa Barat 1:50, 000 
Geologic Map of Galunggung Volcano, West Java 1:50, 000 
1992: Peta Geologi Gunungapi Tangkuban Parahu / Komplek Gunungapi Sunda, Jawa Barat 1:50, 000 
Geologic Map of Tangkubanparahu Volcano / Sunda Complex Volcano, West Java 1:50, 000