KOPEČEK, Ivan and Radek OŠLEJŠEK. Dialogue-Based Processing of Graphics and Graphical Ontologies. In Text, Speech and Dialogue. Proceedings of 11th International Conference. Berlin: Springer, 2008, p. 601-608. ISBN 978-3-540-87390-7. Available from: https://dx.doi.org/10.1007/978-3-540-87391-4_76.