CHEMICAL AND MINERAL-COMPOSITION OF THE FINELY DISPERSED COMPONENT AND MICROSTRUCTURE OF SOME SOILS IN SUDAN Статья ELTEZHANI M.S., GRADUSOV B.P., RUBILINA N.Y., CHIZHIKOVA N.P. Soviet Soil Science. Том 16. 1984. С. 75-81
ENZYMES AS ANTITUMOR DRUGS Статья BEREZOV T.T. Вестник Академии медицинских наук СССР. IZD VO MEDITSINA. 1984. С. 11-24