Norvik, M., Balodis, U., Ernštreits, V., Kļava, G., Metslang, H., Pajusalu, K., & Saar, E. (2021). The South Estonian language islands in the context of the Central Baltic area. Eesti Ja Soome-Ugri Keeleteaduse Ajakiri. Journal of Estonian and Finno-Ugric Linguistics, 12(2), 33–72. https://doi.org/10.12697/jeful.2021.12.2.02