1. BMP is discussed inSemiconductors and Semimetals, edited by J. K. Furdyna and J. Kossut (Academic, San Diego, 1988), Vol. 25, p. 413.
2. Scaling Studies of Highly Disordered Spin-½ Antiferromagnetic Systems
3. P. A. Wolff, inSemimagnetic and Diluted Magnetic Semiconductors, edited by M. Averous and M. Balkanski (Plenum, New York, 1991).