Reference | {Deposit:: THE BRITISH SULPHUR CORP. LTD., 1980:WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: LIU, C.C. AND CHAO, J.C., 1924: A PRELIMINARY REPORT ON THE GEOLOGY AND THE MINERAL RESOURCES OF KIANGSU.- GEOL. SURV. CHINA, MEM. A4, PEKING 1924} |