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- [7] ORDER OF K2O-(K2O)3 FOR QUADRATIC FIELDS NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (03): : A388 - A388
- [9] DIAGRAM OF PHASES OF SYSTEM K-K2O AND POTASSIUM MONOXIDE K2O CANADIAN JOURNAL OF CHEMISTRY, 1970, 48 (13): : 1955 - &