1. Beyond Eliashberg Superconductivity inMgB2: Anharmonicity, Two-Phonon Scattering, and Multiple Gaps
2. The origin of the anomalous superconducting properties of MgB2
3. An extended discussion of the results presented here can be found in M. Angst, Ph.D. thesis, ETH Zürich http://e-collection.ethbib.ethz.ch/show?type=diss&nr=14887 (in press)
4. J. Karpinski, S.M. Kazakov, J. Jun, M. Angst, R. Puzniak, A. Wisniewski, P. Bordet, this issue
5. M. Angst, R. Puzniak, A. Wisniewski, J. Jun, S.M. Kazakov, J. Karpinski, cond-mat/0205293, Phys. Rev. B, in press