1. E. S. Makarov, Crystal Chemistry of Simple Compounds Consultants Bureau, New York (1959).
2. W. D. Wilkinson, Uranium Metallurgy (Interscience Publishers, New York, 1962).
3. M. Hansen, Constitution of Binary Alloys (McGraw-Hill Book Co., New York, 1958).
4. R. P. Elliott, Constitution of Binary Alloys, First Supplement (McGraw-Hill Book Co., New York, 1965).
5. W. B. Pearson, Handbook of Lattice Spacings and Structures of Metals (Pergamon Press, New York, 1958, 1967) 1 and 2.