Reference | {Deposit:: BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: HERMINA, M.H., 1974: REVIEW ON THE PHOSPHATE DEPOSITS OF EGYPT. 2ND ARAB CONFERENCE MINERAL RESOURCES, JEDDAH, PHOSPHATE SECTION, P.110-149}{Deposit:: YOUSEF, A.A. AND BIBAWY, T.A., 1977: BENEFICIATION OF THE LOW GRADE EGYPTIAN PHOSPHATES. PAPER PRESENTED ON AUGUST 3, 1977, GEOL. CONGR., LUSAKA} |