1. P. Villars and K. Cenzual, Pearson’s Crystal Data-Crystal Structure Database for Inorganic Compounds (PCDIC) (Materials Park, OH, ASM).
2. Inorganic Crystal Structure Database (ICSD) (Fachinformationszentrum, Karlsruhe).
3. W. Pearson, The Crystal Chemistry and Physics of Metals and Alloys (Wiley, New York, 1972).
4. A. I. Kitaigorodskii, Mixed Crystals (Nauka, Moscow, 1983) [in Russian].
5. A. F. Wells, Structural Inorganic Chemistry (Oxford Univ. Press, London, 1984).