Citation: Geballe, T.H.; Matthias, B.T.; Hull, G.W.jr.; Compton, V.B.; Longinotti, L.D.; Corenzwit, E. (1965). Superconductivity in binary alloy system of the rare earths and of thorium with Pt-group metals. Physical Review, Section A (133,1964-188,1969), 137, pp. 119-127.