Pairing in cuprates from high-energy electronic states A. F. Santander-Syro, R. P. S. M. Lobo, N. Bontemps, Z. Konstantinovic, Z. Z. Li and H. Raffy Europhys. Lett., 62 4 (2003) 568-574 Published online: 01 May 2003 DOI: 10.1209/epl/i2003-00388-9