Kłopotek, M A., Koronacki, J., Marciniak, M., Mykowiecka, A., & Wierzchoń, S T. (2013). Language Processing and Intelligent Information Systems: 20th International Conference, IIS 2013, Warsaw, Poland, June 17-18, 2013. Proceedings. Berlin, Heidelberg: Springer.

Language Processing and Intelligent Information Systems : 20th International Conference, IIS 2013, Warsaw, Poland, June 17-18, 2013. Proceedings / edited by Mieczysław A. Kłopotek, Jacek Koronacki, Małgorzata Marciniak, Agnieszka Mykowiecka, Sławomir T. Wierzchoń . — Berlin, Heidelberg : Springer, 2013. — Online-Ressource (XVI, 269 p. 54 illus, digital). — (Lecture notes in computer science ; 7912). — ISBN 9783642386343