1. E. A. Turov and M. P. Petrov, Nuclear Magnetic Resonance in Ferro- and Antiferromagnets (Nauka, Moscow, 1969; Wiley, New York, 1972).
2. M. I. Kurkin and E. A. Turov, Nuclear Magnetic Resonance in Magnetically Ordered Materials and Its Applications (Nauka, Moscow, 1990) [in Russian].
3. J. M. Winter, Phys. Rev. 124, 452 (1961).
4. A. P. Tankeev, M. A. Borich, and V. V. Smagin, Phys. Met. Metallogr. 115(5), 425 (2014).
5. A. P. [!]Tankeyev, M. A. Borich, and V. V. Smagin, Phys. Met. Metallogr. 115(3), 226 (2014).