MÖSSBAUER STUDY OF THE TWO-DIMENSIONAL ANTIFERROMAGNET IN THE CRITICAL REGION : Rb2CoF4 : 57Fe AND Rb2Co0.95Mg0.05F4 : 57Fe
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J. Phys. Colloques, 40 C2 (1979) C2-323-C2-324
DOI: 10.1051/jphyscol:19792113