1. Z. Frait, D. Fraitová, N. Zárubová, P. Duhaj
    physica status solidi (a) 101 (1987) 239-245.
  2. H. Gärtner, Z. Frait
    physica status solidi (a) 99 (1987) K57-K59.
  3. A. Cimbálníková, Z. Frait, O. Rode, T. Zemčík
    Comparative studies of LUNA 16, 20 and 24 regoliths by means of magnetic resonance and Mossbauer spectroscopy
    NASA Planet.Sci.Conf., Houston 1987. In: Lunar and Planetary Science XVII, NASA, Houston 1987, p. 142-143.
  4. L. Murtinová, Z. Frait, M. Veselá
    Czechoslovak Journal of Physics 21 (1971) 1106-1113.
  5. Czechoslovak Journal of Physics 21 (1971) 979-982.