SUPERCONDUCTING AND MAGNETIC PROPERTIES OF ErRh4B4 H.R. Ott, W.A. Fertig, D.C. Johnston, M.B. Maple and B.T. Matthias J. Phys. Colloques, 39 C6 (1978) C6-375-C6-376 DOI: 10.1051/jphyscol:19786167