Banning, L. H. (1975). Fluosilicic acid acidulation of phosphate rock. U.S. Dept. of the Interior, Bureau of Mines.
Tohutoru Kātū ChicagoBanning, Lloyd Harold. Fluosilicic Acid Acidulation of Phosphate Rock. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1975.
Tohutoro MLABanning, Lloyd Harold. Fluosilicic Acid Acidulation of Phosphate Rock. U.S. Dept. of the Interior, Bureau of Mines, 1975.
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