MÖSSBAUER STUDIES OF THE ONE-DIMENSIONAL ANTIFERROMAGNETIC SYSTEMS : A2FeF5 G. P. Gupta, D. P.E. Dickson et C. E. JohnsonJ. Phys. Colloques, 40 C2 (1979) C2-304-C2-306DOI: https://doi.org/10.1051/jphyscol:19792107