TEMPERATURE VARIATION OF HYPERFINE MAGNETIC FIELD IN Co2MnZ AND Co2TiZ (Z = Si, Ge, Sn) S. Jha, S. Yehia, C. Mitros, A. Lahamer, Glenn M. Julian and R. A. Dunlap J. Phys. Colloques, 49 C8 (1988) C8-137-C8-138 DOI: 10.1051/jphyscol:1988855