1. Electron tunneling experiments using Nb‐Sn ‘‘break’’ junctions
2. Bulk superconductivity at 36 K inLa1.8Sr0.2CuO4
3. Finnemore, D.K., Shelton, R.N., Clem, J.R., McCallum, R.W., Ku, H.C., McCarley, R.E., Chen, S.C., Klavins, P. and Kogan, V.Phys Rev Rapid Commun submitted for publication
4. Theory of Superconductivity;Schrieffer,1964