Tālberga, I., & Mandel, A. (2017). On the imperfective and perfective aspect in Estonian and Latvian. Eesti Ja Soome-Ugri Keeleteaduse Ajakiri. Journal of Estonian and Finno-Ugric Linguistics, 8(1), 241-261. https://doi.org/10.12697/jeful.2017.8.1.13