SP2 AMORPHOUS CARBONS IN VIEW OF MULTIANALYTICAL CONSIDERATION: NORMAL, EXPEСTED AND NEW Статья Golubev Y.A., Rozhkova N.N., Kabachkov E.N., Shul'ga Y.M., Natkaniec-Hołderna K., Natkaniec I., Antonets I.V., Makeev B.A., Popova N.A., Popova V.A., Sheka E.F. Journal of Non-Crystalline Solids. Elsevier B.V.. Том 524. 2019.