oleh (by) D.B. Dow ... [et al.] ; bekerjasama dengan Bureau of Mineral Resources, Geology and Geophysic, Department of Resources and EnergyPusat Penelitian dan Pengembangan Geologic1986
edited by A.J. Barber & S. WiryosujonoRepublic of Indonesia, Ministry of Mines and Energy, Directorate General of Geology and Mineral Resources, Geological Research and Development Centre1981