Tjia, Hong Djin, 1934- Structural analysis of the pre-tertiary of the Lokulo area, Central Java / oleh Tjia Hong Djin. - Bandung: Institute of Technology, 1966. - 110 p. : ill. ; 24 cm. Subjects--Topical Terms: Geology, Structural--Indonesia--Lokulo regionGeology, Stratigraphic--Quaternary