Kateřina Rysová, Magdaléna Rysová (2018):The Correlation between Discourse-Anaphoric Devices and an Overall Communicative Competence in Learners‘ Essays. In: EDULEARN18 Proceedings, pp. 2144-2154, IATED Academy, Valencia, Spain, ISBN 978-84-09-02709-5 (url, bibtex)