International Conf On The Physics Of Highly Correlated Electron Systems ( Icphces ), Date: SEP 11-15, 1989, Location: SANTA FE, NM, Sponsors: LOS ALAMOS NATL LAB, TEMPLE UNIV, CTR MAT RES, NAT SCI FDN, ARGONNE NATL LAB, MAT SCI DIV, FLORIDA STATE UNIV, CTR MAT RES & TECHNOL, AMER PHYS SOC