1. See, for instance, K. Salama, W.-K. Chu, C.W. Chu (Eds.), Proceedings of the International Conference on Materials and Mechanisms of Superconductivity, Physica C 341–348 (2000) inclusive
2. D. Kaczorowski, A.J. Zaleski, O.J. Zogal, J. Klamut, cond-mat/0103571
3. D. Kaczorowski, J. Klamut, A.J. Zaleski, cond-mat/0104479
4. Superconductivity at 39 K in magnesium diboride
5. Synthesis and stoichiometry of MgB2