• Nanoindentation and surface characterization of clinically retrieved multi-force niti orthodontic archwiresCherneva, Sabina; Stoyanova-Ivanova, Angelina K.; Georgieva, Mirela; Andreeva, Laura A.; Petkov, Alexander; Petrov, Valeri G.; Petrova, Violeta P.; Mikli, ValdekRussian Journal of Biomechanics2020 / p. 240-256 https://doi.org/10.15593/RJBiomech/2020.3.02 https://ered.pstu.ru/index.php/rjb/article/view/2303 https://www.scopus.com/sourceid/21100776473 https://www.scopus.com/record/display.uri?eid=2-s2.0-85100447700&origin=resultslist&sort=plf-f&src=s&sid=b857602a17e83bb63f848767b8d1540d&sot=b&sdt=b&s=TITLE-ABS-KEY%28%22nanoindentation+and+surface%22%29&sl=53&sessionSearchId=b857602a17e83bb63f848767b8d1540d&relpos=2