1. Colossal Magnetoresistance: Charge Ordering and Related Properties of Manganese Oxides, Ed. by C. N. R. Rao and B. Raveau (World Scientific, Singapore, 1998).
2. Colossal Magnetoresistive Oxides, Ed. by Y. Tokura (Gordon & Breach, New York, 2000).
3. S. M. Dunaevskii, Fiz. Tverd. Tela (St. Petersburg) 46, 193 (2004) [Phys. Solid State 46, 193 (2004)].
4. F. Bridges, C. H. Booth, M. Anderson, G. H. Kwei, J. J. Neumeier, J. Snyder, J. Mitchell, J. S. Gardner, and E. Brosha, Phys. Rev. B 63, 214405 (2001).
5. O. I. Sumbaev, Usp. Fiz. Nauk 124, 281 (1978) [Sov. Phys. Usp. 21, 141 (1978).