Original sentence: In 1975 Ivan Duridanov publishes his Ezikyt na trakite ('The Language of the Thracians' essay) in which a number of Thracian words (cited and conjectured) are given Balto-Slavic cognates and alleged Balto-Slavic cognates.In the 1960 Vladimir Georgiev published his paper The Genesis of the Balkan peoples that proposed that Dacian and Thracian were on two different Indo-European branches
Edited sentence: In the 1960s, Vladimir Georgiev and in 1975 Ivan Duridanov published papers in which many of the Thracian words (cited and conjectured) were linked to Baltic words and to a lesser extent Slavic words