Reference | {Deposit:: TSVETKOV, YU. J., 1975: PHOSPHORITES (RUSSIAN); IN: GEOLOGIYA SSSR, VOL.1, PART 2, ZISKIN, M.S., (EDITOR), MOSCOV, NEDRA, 1975, P.109-129}{Deposit:: THE BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: PHOSPHORUS & POTASSIUM, NO.87, JAN./FEB. 1977, P.14, LONDON} |