Ermus, L. “Estonian Geminate Plosives: Some Durational Characteristics”. Eesti Ja Soome-Ugri Keeleteaduse Ajakiri. Journal of Estonian and Finno-Ugric Linguistics, vol. 10, no. 1, Dec. 2019, pp. 35-52, doi:10.12697/jeful.2019.10.1.02.