ISOTOPE EFFECT ON THE MAGNETIC STRUCTURE OF CoCl2, 6 H2O H. BENOIT, W. GHIDALIA, J.-P. LEGRAND and J.-P. RENARD J. Phys. Colloques, 32 C1 (1971) C1-1151-C1-1153 DOI: 10.1051/jphyscol:19711412