1. B. Rossi, High Energy Particles, Prentice-Hall, Englewood Cliffs, NJ, 1961, p. 17.
2. J.F. Ziegler, program SRIM (http://www.research.ibm.com/ionbeams/\#SRIM).
3. Program GEANT, PHYS431 (http://wwwinfo.cern.ch/asdoc/geant_html3/node322.html).
4. G.D. Mills, G.D. Alton, D.L. Haynes, J.R. Beene, Physics Division Progress Report, ORNL-6957, September 1998 (http://www.phy.ornl.gov/progress/hribf/randd/hri031.pdf).
5. M. Berz, program COSY INFINITY(http://www.beamtheory.nscl.msu.edu/cosy)