1. W. Parkinson, Introduction to Geomagnetism (Scottish Academic Press, Edinburgh, 1983; Mir, Moscow, 1986).
2. V. I. Trukhin, V. E. Kunitsyn, and K. V. Pokazeev, General and Ecological Geophysics (Fizmatlit, Moscow, 2005) [in Russian].
3. P. T. Merill, M. W. McElhinny, and P. I. McFadden, The Magnetic Field of the Earth (Academic Press, New York, 1998).
4. V. I. Trukhin and N. S. Bezaeva, Usp. Fiz. Nauk 176, 507 (2006).
5. V. I. Trukhin, Introduction to Rock Magnetism (Mosc. Gos. Univ., Moscow, 1973) [in Russian].