TY - SER AU - Surasak Jivathanond ED - Southeast Asia Tin Research and Development Centre TI - Geochemical study of granitoids as possible source of secondary tin concentration: with special refrence to the Riau granitoids PY - 1993/// CY - Ipoh PB - SEATRAD Centre KW - Granite KW - Indonesia KW - Riau KW - Ore-deposit N1 - Project No. E.8.1-1.9 ER -