MAGNETIC BEHAVIOUR OF ISOLATED NICKEL AND COPPER IMPURITIES IN ALKALI ELEMENTS R. Kowallik, H. H. Bertschat, K. Biedermann, H. Haas, W. Müller, B. Spellmeyer et W.-D. Zeitz J. Phys. Colloques, 49 C8 (1988) C8-115-C8-116 DOI: 10.1051/jphyscol:1988844