NEUTRON DIFFRACTION STUDY OF ORDERED Mn-ALLOYS E. KRÉN, G. KÁDÁR, L. PÁL, Eva ZSOLDOS, M. BARBERON et R. FRUCHART J. Phys. Colloques, 32 C1 (1971) C1-980-C1-981 DOI: 10.1051/jphyscol:19711348