MAGNETIC PROPERTIES OF Gd DOPED EuO SINGLE CRYSTALS A. Mauger, M. Escorne, C. Godart, J.P. Desfours and J.C. Achard J. Phys. Colloques, 41 C5 (1980) C5-263-C5-265 DOI: 10.1051/jphyscol:1980545