| Reference | {Deposit:: BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: FOURNIE, D. 1979: PHOSPHATES ET PETROLE EN TUNISIE. DOCUMENTS DU BRGM, NO.24, 1980}{Deposit:: SASSI, S. 1979: CONTEXTE PALEOGEOGRAPHIQUE DES DEPOTS PHOSPHATES DE *EOCENE EN TUNISIE. DOCUMENTS DU BRGM, NO.24, 1980}{Deposit:: CHAABANI, F. 1978: LES PHOSPHORITES DE LA COUPE-TYPE DE FOUM-SELJA}{Deposit:: E&MJ, 1981: INTERNATIONAL DIRECTORY OF MINING, NEW YORK}{Production:: E&MJ, 1981: INTERNATIONAL DIRECTORY OF MINING, P.370, NEW YORK} |