Evidence for unconventional superconductivity in single crystals of the antiferromagnetic heavy-electron compound URu2Si2M.B. MapleY. Dalichaouchet al.1991Physica B: Physics of Condensed MatterPaper
Electron-spectroscopy study of YbXCu4 (X=Ag,Au,Pd)J.-S. KangJ.W. Allenet al.1990Physical Review BPaper