First Polish ${CO_{2}}$ storage research pilot program – national CCS policy / Stanisław NAGY, Jakub SIEMEK, Łukasz KLIMKOWSKI // W: 2nd Conference on Exchange of experiences between Poland and Japan in the field of clean coal technologies : (high efficiency coal-fired power plant, IGCC, CCS and other innovate technologies) : 17–18 November 2011, Krakow, Poland : proceedings / AGH, JCOAL (Japan Coal Energy Center). — Kraków : AGH University of Science and Technology, 2011. — Opis częśc. wg okł.. — S. 349–366

Natural gas – conventional and unconventional gas sources / Jakub SIEMEK, Stanisław NAGY // W: South Baltic Gas Forum 2011 : natural gas = gaz ziemny : 5–8 September 2011, Gdańsk, Poland. — [Poland : s. n.], [2011]. — S. 1–35. — Bibliogr. s. 35

Safe geological storage of carbon dioxide in Poland: present and future projects / Stanisław NAGY, Jakub SIEMEK, Łukasz KLIMKOWSKI, Czesław RYBICKI // W: Exchange of technology on CCS, IGCC and advanced power generation between Poland and Japan : under the cooperation of Ministry of Economy of Poland and Ministry, Trade and Industry of Japan : 03–04 March 2011, Krakow, Poland : proceedings. — [Krakow : s. n.], [2011]. — S. 3–38

Shale gas in Europe: the state of the technology – challenges and opportunities — Wydobycie gazu ziemnego ze skał łupkowych w Europie: stan technologii – zagrożenia i możliwości / Stanisław NAGY, Jakub SIEMEK // Archives of Mining Sciences = Archiwum Górnictwa ; ISSN 0860-7001. — 2011 vol. 56 no. 4, s. 727–760. — Bibliogr. s. 759–760

Shale gas: the state of the technology / Stanisław NAGY, Jakub SIEMEK // W: The coming energy market : Madrid, 24\textsuperscript{th}–25\textsuperscript{th} November 2011 : lectures / ESADEgeo–Center for Global Economy and Geopolitics, eit KIC InnoEnergy. — [Madrid : s. n.], [2011]. — S. 1–34. — Bibliogr. s. 33–34. — Numeracja całości nieciągła