Reference | {Deposit:: GEOLOGICAL PUBLISHING HOUSE AND OTHERS. EXPLANATORY NOTES}{Deposit:: TO MINERAL RESOURCES MAPS OF CHINA. GEOLOGICAL PUBLISHING}{Deposit:: HOUSE, BEIJING, 1992, 48 PP.}{Deposit:: BRITISH SULPHUR CORP. WORLD SURVEY OF PHOSPHATE DEPOSITS,}{Deposit:: 5TH ED., BRITISH SULPHUR CORP., LONDON, 1987, P. 181.} |