1. D. A. Kozhevnikov, Neutron Characteristics of Rock and Their Use in the Geology of the Oil and Gas Industry [in Russian], Nedra, Moscow (1982).
2. D. A. Kozhevnikov and A. I. Pshenichnyuk, At. Energ.,51, No. 6, 366 (1981).
3. D. A. Kozhevnikov and A. I. Pshenichnyuk, At. Energ.,51, No. 6, 370 (1981).
4. I. A. Kozachok, V. V. Kulik, and V. I. Pirogov, At. Energ.,38, No. 3, 167 (1975).
5. R. Paschall, Nucl. Sci. Eng.,20, 451 (1964).