CRYSTAL FIELD AND MAGNETIC PROPERTIES OF Dy(OH)3, Ho(OH)3 AND Er(OH)3 J.M. Friedt, G.K. Shenoy and B.D. Dunlap J. Phys. Colloques, 40 C2 (1979) C2-243-C2-246 Published online: 20 May 2010 DOI: 10.1051/jphyscol/1979243