OLAH, Branislav. Sustainable land use of the cultural landscape (a model study of the Podpoľanie region). In Management of the life quality in regions and communities : proceedings from the VIII. International Conference on Culture and Environment, May 29.-31.2003, Banská Štiavnica. - Zvolen : Technická univerzita vo Zvolene, 2004. ISBN 80-968484-5-3, s. 101-110. VEGA 1/0436/03.