Vainik, E. (2014) “Early emotional contacts with the Indo-Europeans. Lexical evidence of Estonian against a broader background”, Eesti ja soome-ugri keeleteaduse ajakiri. Journal of Estonian and Finno-Ugric Linguistics. Tartu, Estonia, 5(2), pp. 139–167. doi: 10.12697/jeful.2014.5.2.07.