1. J. Englich, J. Kohout, H. Stepankova, P. Novák, M. Nekvasil, H. Lutgemeier
    Umbrella structure in Pr, Nd and Yb substituted YIG studied by Fe-57 NMR
    J. Phys. IV 7 (1997) 295 - 296
  2. J. Kohout, H. Stepankova, J. Englich, P. Novák, H. Lutgemeier
    The effect of diamagnetic defect in YIG on the hyperfine field anisotropy
    J. Phys. IV 7 (1997) 449 - 450