1. Astabatyan, R.A., Ivanov, M.P., Luk’yanov, S.M., Markaryan, E.R., Maslov, V.A., Penionzhkevich, Yu.E., and Revenko, R.V., Instrum. Exp. Tech., 2012, vol. 55, no. 3, p. 335.
2. Bichsel, H., Groom, D.E., and Klein, S.R., Passage of particles through matter. Par. 30, p. 9. http://pdg.lbl.gov/
3. Gikal, B.N., Dmitriev, S.N., Gul’bekyan, G.G., et al., Preprint of Joint Inst. for Nuclear Research, Dubna, 2007, no. P9-2007-20.
4. http://lise.nscl.msu.edu/lise.html