SLOW PARAMAGNETIC RELAXATION OF SOME PSEUDO-TETRAHEDRAL FERROUS COMPOUNDS IN ZERO FIELD W. M. Reiff, C. Nicolini et B. DockumJ. Phys. Colloques, 40 C2 (1979) C2-230-C2-232DOI: https://doi.org/10.1051/jphyscol:1979282