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- [1] SITUATION OF THE POTASH INDUSTRY. Gluckauf: Die Fachzeitschrift fur Rohstoff, Bergbau und Energie, 1984, 120 (06): : 80 - 83
- [2] Present Situation of the Potash Industry. Gluckauf: Die Fachzeitschrift fur Rohstoff, Bergbau und Energie, 1976, 112 (06): : 262 - 264
- [3] The German Potash Industry and the Potash Industry ARCHIV FUR SOZIALWISSENSCHAFT UND SOZIALPOLITIK, 1912, 34 (01): : 268 - 272
- [7] CENTRIFUGES - POTASH INDUSTRY ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1979, (SEP): : 15 - 15
- [8] The American potash industry JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1922, 14 : 241 - 242
- [9] POTASH INDUSTRY IN SASKATCHEWAN CANADIAN MINING AND METALLURGICAL BULLETIN, 1966, 59 (653): : 1062 - &