Address of the Polish Academy of Sciences Mineral and Energy Economy Institute : The role of energy from renewable sources in sustainable development of power industry / Roman NEY // W: International geothermal days POLAND 2004 : International Summer School on Direct Application of Geothermal Energy : International course on Low-enthalpy geothermal resources – exploitation and development ; Technical field trip to the Podhale region ; International workshop on Geothermal energy resources in Central and Eastern European Countries: state-of-the-art and possibilities for development : Zakopane from 13 to 17. 09. 2004 : proceedings / eds. Beata Kepinska, Kiril Popovski ; UNESCO under the auspice of the Division of Earth Sciences [etc.]. — Skopje ; Krakow : ISS DAGE in Skopje (Macedonia) ; PAS Mineral and Energy Economy Research Institute in Krakow (Poland), 2004. — Opis częśc. wg okł.. — S. 10–16. — Bibliogr. s. 16