1. Renewable energy sources solutions in Sobrance district and its impact on geoturism
:PČOLINSKÁ, Lenka - STRAJŇÁK, Sergej - JABLONSKÁ, Jana. Renewable energy sources solutions in Sobrance district and its impact on geoturism. In GEOTOUR & IRSE 2012 : (conference proceedings) : Salgótarján, Hungary, 4.-6.10.2012. - Košice : Technical university of Košice, 2012. ISBN 978-80-553-1270-5, s. 54-66.