1. Introduction to Superconductivity, International Series in Pure and Applied Physics;Tinkham,1996
2. J.R. Schrieffer, Theory of Superconductivity, Revised printing edition, Advanced Book Classics, Perseus Books, Reading, Mass, 1999
3. Superconductivity at 39 K in magnesium diboride;Nagamatsu;Nature (London),2001
4. Superconductivity of metallic boron in MgB2;Kortus;Phys. Rev. Lett.,2001
5. Superconductivity of MgB2: Covalent bonds driven metallic;An;Phys. Rev. Lett.,2001