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