1. Deutsch, M.; Hrynkiewicz, A. Z.; Stiening, R. Progress Report, MIT Laboratory of Nuclear Science, May 1959; Hrynkiewicz, A. Z.Postepy Fiz.,1960,11, 521.
2. Matthias, E.; Lindquist, T.Nucl. Instrum. Meth. 1961,13, 356.
3. Rinneberg, H. H.Atom. Energy Rev. 1979,17, 477.
4. Wichert, Th.; Recknagel, E. InPerturbed Angular Correlations in Microscopic Methods in Metals; Gonser, U., Ed.; SpringerVerlag: Berlin, 1986, pp. 317?364.
5. Vianden, R.Impurity-Defect Interaction in Metals; NATO School ?Nuclear Physics Applications in Materials Science?; Viana do Castelo, Portugal, September 1987.