1. 1.V.N.Vasiliev, L.A.Lebedev, V.P.Sidorin, R.V.Stavitsky, Energy Spectra of X-ray Machines, Handbook, Energoatomizdat, Moscow (1990) [in Russian].
2. 3.O.F.Nemetz, Y.V.Gofman, Handbook of Nuclear Physics, Naukova Dumka, Kiev (1975) [in Russian].
3. Pis′ma v Zh.;Ryzhikov;Tekhn Fiz,2002
4. A multi-energy method of nondestructive testing by determination of the effective atomic number of different materials
5. Multi-energy radiography on the basis of “scintillator–photodiode” detectors