KOZEL, Jiří. Comparison of Styled Layer Descriptor Specification and MapFile Format in Light of Cartographic Visualization. ed. Hana Svatoňová et al. In Geography in Czechia and Slovakia: Theory and Practice at the Onset of 21st Century. Brno: Masaryk University, 2008, s. 411-415. ISBN 978-80-210-4600-9.