THERMOMETRY AT VERY LOW TEMPERATURES WITH POLARIZED NEUTRONS, APPLICATION TO THE SEARCH FOR THE 3He MAGNETIC STRUCTURE A. Benoit, J. Floquet, D. Rufin et J. Schweizer J. Phys. Colloques, 43 C7 (1982) C7-311-C7-316 DOI: 10.1051/jphyscol:1982746