1. J. Kossut and J. A. Gaj, Introduction to the Physics of Diluted Magnetic Semiconductors (Springer, London, 2010).
2. Diluted Magnetics (Semimagnetic Semiconductors), Ed. by R. L. Aggarwal, J. K. Furdyna, and S. von Molnar (Materials Research Society, Pittsburgh 1987; Mir, Moscow, 1992).
3. N. N. Berchenko, V. E. Krevs, and V. G. Seredin, Semiconductor Solid Solutions and its Application (Voenizdat, Moscow, 1982) [in Russian].
4. Reddy D. Sreekantha, Reddy M. Maheswara, B. Kang, et al., Solid State Sci. 10, 1068 (2008).
5. Reddy D. Sreekantha, B. Kang, S. C. Yu, et al., Curr. Appl. Phys. 9, 431 (2009).