1. Alexandrov, A. S. Theory of Superconductivity, 1st ed. Institute of Physics Publishing: Bristol, 2003; Chapter 2, pp 33–72.
2. Poole, C. P.; Prozorov, R.; Farach, H. A.; Creswick, R. J. Superconductivity, 3rd ed. Elsevier: Amsterdam, 2014; Chapter 13, pp 531–532.
3. Poole, C. P.; Prozorov, R.; Farach, H. A.; Creswick, R. J. Superconductivity, 3rd ed. Elsevier: Amsterdam, 2014; Chapter 14, pp 624–631.
4. Poole, C. P.; Prozorov, R.; Farach, H. A.; Creswick, R. J. Superconductivity, 3rd ed. Elsevier: Amsterdam, 2014; Chapter 14, pp 591–595.
5. X-ray Diffraction Study of MgB2 at Low Temperatures