PHASE DIAGRAM AND SOFT MODES OF THE UNIAXIAL ANTIFERROMAGNET K. W. BLAZEY, M. ONDRIS, H. ROHRER et H. THOMASJ. Phys. Colloques, 32 C1 (1971) C1-1020-C1-1021DOI: https://doi.org/10.1051/jphyscol:19711364
