KRISTIÁNOVÁ, Katarína. Changing Powers in Medieval Landscape of Spiš. In ECLAS 2012 Conference The Power of Landscape : Peer Reviewed Proceedings of ECLAS 2012 Conference at Warsaw University of Life Sciences - SGGW 19-22 September 2012, Varšava, Poľská republika. Varšava : Warsaw University of Life Sciences - SGGW, 2012, s.p. 46-49. ISBN 978-83-935884-0-4. A*