For citations:

Kovriga V.V., Gumen V.R., Sevastyanov V.V., Kachalina A.L. Unifed indicator of the wear of plastics for different assessment methods. Plasticheskie massy. 2020;(7-8):21-22. (In Russ.) https://doi.org/10.35164/0554-2901-2020-7-8-21-22