PROTON RELAXATION NEAR THE SATURATION FIELD IN AN S = [MATH] ANTIFERROMAGNETIC CHAIN SYSTEM J.P. Groen, T.O. Klaassen et N.J. Poulis J. Phys. Colloques, 39 C6 (1978) C6-735-C6-736 DOI: 10.1051/jphyscol:19786327