For citations:

Valiev R.Z., Raab G.I., Botkin A.V., Dubinina S.V. ULTRAFINE METALS AND ALLOYS PRODUCTION BY METHODS OF SEVERE PLASTIC DEFORMATION: NEW APPROACHES TO TECHNOLOGY DEVELOPMENT. Izvestiya. Ferrous Metallurgy. 2012;55(8):44-47. (In Russ.) https://doi.org/10.17073/0368-0797-2012-8-44-47