1. Berry, P.F., Furuta, T., and Rhodes, J.R., Adv. x-Ray Analysis, 1969, vol. 12, pp. 612–632.
2. Finkel’shtein, A.L., Zavod. Lab., 1990, vol. 56, no. 4, pp. 33–37.
3. Markovicz, A., Van Dyck, P., and Van Grieken, R., x-Ray Spectrom., 1980, vol. 9, no. 2, pp. 52–55.
4. Afonin, V.P. and Gunicheva, T.N., Rentgenospektal’nyi fluorestsentnyi analiz gornykh porod i mineralov (x-Ray Fluorescent Analysis of the Rocks and Minerals), Novosibirsk: Nauka, 1977.
5. Duimakaev, Sh.I, Kasinov, A.B., and Shpolyanskii, A.Ya., in Apparatura i metody rentgenovskogo analiza (Equipment and Methods of x-Ray Analysis), Leningrad: Mashinostroenie, 1977, issue 19, pp. 185–196.