Post-annotation Checking of Prague Dependency Treebank 2.0 Data. In: Text, Speech and Dialogue. 9th International Conference, TSD 2006, Brno, Czech Republic, September 11–15, 2006, Proceedings, Lecture Notes in Computer Science, ISSN 0302-9743, 4188, pp. 277-284, Springer, Berlin / Heidelberg, ISBN 978-3-540-39090-9 (bibtex)