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

Energex'2002 : proceedings of the 9th international energy conference : Cracow, Poland, May 2002 / red. Roman NEY, Lidia Gawlik ; Polska Akademia Nauk ; Instytut Gospodarki Surowcami Mineralnymi i Energią. — Kraków : Wydawnictwo IGSMiE, 2003. — 119, [3] s.. — (Polityka Energetyczna ; ISSN 1429-6675 ; t. 6 z. 1). — Bibliogr. przy rozdz.

Present situation of geothermal energy development in Poland / Beata Kępińska, Wiesław Bujakowski, Roman NEY // Bulletin d'Hydrogéologie ; ISSN 1421-4946. — 1999 no. 17 spec. iss., s. 29–37. — Bibliogr. s. 37, Abstr.. — Proceedings of the European Geothermal conference Basel'99 : September 28–30, 1999–Basel. Vol. 1 / ed. F.. D. Vuataz. — Berne : Centre d'Hydrogéologie Université de Neuchâtel, 1999