Georgiev, K. and Katsarova, P. (2024) “COMPARATIVE ANALYSIS OF THE RESULTSOF AN EXPERIMENTAL STUDY WITH BASIC EQUIPMENT AND A SPECIALLY MADE ONE TOTHE INSIZE ISR - C002 ROUGHNESS TESTER”, ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, 3, pp. 58–64. doi:10.17770/etr2024vol3.8106.