Japanese porcelain from the seventeenth century found in Indonesia : seminar paper / by Sumarah Adhyatman, David Rehfuss, Hitoshi Shindo ; prepared for the Ceramic Seminar of the Departemen Pendidikan dan Kebudayaan, Proyek Pelita Penelitian dan Penggalian Purbakala, September 1979, Hotel Hyatt Arya Duta, Jakarta, Indonesia