Barbara Catania, Rastislav Královic, Jerzy R. Nawrocki, Giovanni Pighizzini: SOFSEM 2019: Theory and Practice of Computer Science - 45th International Conference on Current Trends in Theory and Practice of Computer Science, Nový Smokovec, Slovakia, January 27-30, 2019, Proceedings. Lecture Notes in Computer Science 11376, Springer 2019, ISBN 978-3-030-10800-7