• Review of the Estonian Railroad rolling stock and solutions for locomotive modernizationRassõlkin, Anton; Hõimoja, Hardi; Pettai, Elmo; Tšurkina, Natalja10th International Symposium "Topical Problems in the Field of Electrical and Power Engineering". Doctoral School of Energy and Geotechnology II : Pärnu, Estonia, January 10-15, 20112011 / p. 57-61 : ill