Uusküla, M., Hollman, L., & Sutrop, U. (2012). Basic colour terms in five Finno-Ugric languages and Estonian Sign Language: a comparative study. Eesti Ja Soome-Ugri Keeleteaduse Ajakiri. Journal of Estonian and Finno-Ugric Linguistics, 3(1), 47–86. https://doi.org/10.12697/jeful.2012.3.1.02