1. H. Herrmann, H. Hertzer and E. Sirtl, “Festkörperprobleme XV” (Advances in Solid State Physics) pp. 279–316, Vieweg o Sohn, Wiesbaden (1975)
2. A. Senes, Proc. of the 3rd International Conference on NTD doping of Silicon in Copenhagen, Aug. 27-29, 1980, Plenum Press, N.Y. (1981)
3. H. Hertzer, Proc. of the 3rd International Conference on NTD doping of silicon in Copenhagen, Aug. 27-29, 1980, Plenum Press, N.Y. (1981)
4. D.V. Lang, J. Appl. Phys. 45, (1974) 3014; 45, (1974) 3023
5. O. Engström, B. Drugge and P.-A. Tove “Laser scanning techniques for the investigation of power devices” in “Lifetime Factors in Silicon”, American Society for testing and materials Publ. ASTM STP 712, (1980), pp. 239–250