Eco-tourist potential of the community of Liszki, district of Krakow, Poland / Olia Leniv, Barbara PATUŁA, Kensuke Suzuki, Aleksandra WAGNER // W: Sustainable development and eco-innovation in relation to the United Nations earth summit focus on green economy : proceedings of 14\textsuperscript{th} international conference : 6–8th September 2012 Kraków, Poland / eds. Aleksandra Wagner, Jan W. Dobrowolski, Małgorzata Śliwka ; AGH-UST Open University, Team of Environmental Biotechnology and Ecology, KGFiTŚ, WGGiIŚ AGH, W. Goetel's School of Environmental Protection Engineering in cooperation with the World Academy of Arts and Science (WAAS). — [Kraków : s. n.], 2012. — ISBN: 978-83-934620-0-1. — S. 60–61