EFFECT OF IMPURITIES ON THE NÉEL TEMPERATURE AND SPIN-FLOP FIELD IN THE QUASI ID ANTIFERROMAGNET CsMnCl3·2H2O E. Velu, J.P. Renard and G. Corbel J. Phys. Colloques, 39 C6 (1978) C6-717-C6-719 DOI: 10.1051/jphyscol:19786319