Historical Corpora of Bulgarian Language and Second Position Markers Tsvetana Dimitrova author Andrej Boyadzhiev author 2014-09 text Proceedings of the First International Conference on Computational Linguistics in Bulgaria (CLIB 2014) Department of Computational Linguistics, Institute for Bulgarian Language, Bulgarian Academy of Sciences Sofia, Bulgaria conference publication dimitrova-boyadzhiev-2014-historical https://aclanthology.org/2014.clib-1.8/ 2014-09 55 63