| Reference | {Deposit:: THE NON-FERROUS METALS IN DUSTRY IN CHINA, A SURVEY. METALS}{Deposit:: AND MINERALS RESEARCH SERVICES, LTD.: LONDON, 1986, P.12}{Deposit:: WERNER, A. THE MINERAL INDUSTRY OF CHINA. DEPT. OF ENERGY,}{Deposit:: MINES AND RESOURCES: CANADA, 1988.} |