References
AMERICAN EMBASSY TUNISIA, INDUSTRIAL OUTLOOK REPORT, 6/9/80.BOYCE, R.L., THE TUNISIAN PHOSPHATE INDUSTRY: TRIP REPORTMARCH 21, 1980BRITISH SULPHUR CORP. LTD., WORLD SURVEY OF PHOSPHATEDEPOSITS, FOURTH EDITION, 1980COMPANIE DES PHOSPHATES DE GAFSA, FIVE YEAR PLAN, TABLES FORYEARS 1978 THROUGH 1984COMPANIE DES PHOSPHATES DE GAFSA OF TUNISIA ..., INDUSTRIALMINERALS, FEB. 1981.CUMMINS, A.B. AND I.A. GIVEN, SME MINING ENGINEERINGHANDBOOK, VOL. 1, PP. 12-13 THROUGH 12-31, 11-60 THROUGH11-78, 1973DEVOTO, R.H., AND D.N. STEVENS, URANIFEROUS PHOSPHATEDEPOSITS AND TECHNOLOGY AND ECONOMICS OF URANIUM RECOVERYFROM PHOSPHATE RESOURCES, UNITED STATES AND FREE WORLD,VOL. 1, JUNE 1979INTERNATIONAL GEOLOGICAL CONGRESS, 14TH, LES RESERVESMONDIALES EN PHOSPHATES, 2 VOLUMES, 1926KHAMMOUMA, S., LETTER TO W.F. STOWASSER, JULY 16, 1979SHELDRICK, W.F. AND HARALD STIER, WORLD PHOSPHATE SURVEYBACKGROUND PAPERS, SEPT. 1979. (RESTRICTED CIRCULATION.USE ONLY WITH PERMISSION.)SRI INTERNATIONAL, CHEMICAL ECONOMICS HANDBOOK, PHOSPHATEROCK, MARCH 1980STOWASSER, W.F., FIELD TRIP REPORT--TUNISIAN PHOSPHATE ROCKMINING INDUSTRY, NOV. 24, 1976STOWASSER, W.F., MEMORANDUM: FIELD TRIP TO PHOSPHATEPRODUCING MINES IN TUNISIA, DEC. 18, 1979.TUNISIA BANKS ON NEW TECHNOLOGY ... P205 PRODUCTION GOALSENGINEERING AND MINING JOURNAL, SEPT. 1980.TUNISIA ... PLANT TO DOUBLE PHOSPHATE PRODUCTION ...,ENGINEERING AND MINING JOURNAL, MAY 1976.POWER, TIM,"TUNISIA; DEVELOPING DOWNSTREAM INDUSTRIES",INDUSTRIAL MINERALS, JULY 1986, PP.20-27.U.S. GEOLOGICAL SURVEY. MRDS, MINERAL RESOURCE DATA SYSTEM.U.S. GEOLOGICAL SURVEY. MAS, MINERALS AVAAILABILITY SYSTEM.SAINFELD, PAUL. THE LEAD-ZINC BEARING DEPOSITS OF TUNISIA.ECONOMIC GEOLOGY. 1956. PP. 150-177.DEFENSE MAPPING AGENCY. OPERATIONAL NAVIGATION CHART1:1,000,000. ONC G-2. EDITION G 1967.