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Phosphates et engrais : un avenir prométteur
Murgue, Bernard - In: Syrie & monde arabe : étude mensuelle économique, … 25 (1978), pp. 10-27,11-19
Persistent link: https://www.econbiz.de/10002546886
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La politique phosphatiere marocaine et les tentatives d'adaptation aux variations de la demande internationale
Oualalou, Fathallah - In: Annuaire de l'Afrique du Nord 13 (1974), pp. 41-70
Persistent link: https://www.econbiz.de/10002607649
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Interesse dos fosfatos na economica de Angola
Pacheco, Alberto - 1976
Persistent link: https://www.econbiz.de/10002610090
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Le phosphate : clé du développement et développement-clé
Peter, Jean-E. - In: Revue juridique et politique : indépendance et … 30 (1976) 1, pp. 104-113
Persistent link: https://www.econbiz.de/10002630745
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Többlet és hiány a foszforműtrágyák világpiacán
Gergely, Judit - In: Külgazdaság 24 (1980) 12, pp. 63-70
Persistent link: https://www.econbiz.de/10002240103
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The phosphate industry of the United States
Cathcart, James B. - In: The Role of phosphorus in agriculture, (pp. 19-42). 1980
Persistent link: https://www.econbiz.de/10001985268
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World phosphate reserves and resources
Cathcart, James B. - In: The Role of phosphorus in agriculture, (pp. 1-17). 1980
Persistent link: https://www.econbiz.de/10001985273
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L' industrie phosphatière au Sénégal
Laval, Marie-Françoise - 1971
Persistent link: https://www.econbiz.de/10002366465
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Proizvodstvo i vnešnjaja torgovlja fosfatnym syrʹem i fosfornymi udobrenijami kapitalističeskich stran
Ladygin, V. I. - In: Bjulleteń inostrannoj kommerčeskoj informacii / … 25 (1972) 7, pp. 93-123
Persistent link: https://www.econbiz.de/10002371346
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Wirtschaftsgeographie der neuentdeckten Phosphortlager in Oberösterreich
Kyrle, Georg - In: Mitteilungen der Geographischen Gesellschaft Wien 77 (1934), pp. 44-53
Persistent link: https://www.econbiz.de/10002352701