Assessing wood-waste potential for heating in an area with many small, scattered suppliers : a project in Southern Poland / Elżbieta Guła, Roman Orłowski, Łukasz Pytliński, Maciej SURÓWKA // W: Proceedings of the 7\textsuperscript{th} Polish-Danish Workshop on Biomass for Energy : Starbienino, Poland 7–10 December 2000. — Gdańsk : Technical University of Gdańsk, 2000. — S. 51–56. — Bibliogr. s. 55–56, Abstr.

Development of city-wide energy efficiency investment plans for partner cities, demonstrations, and professional strengthening of local SMEs towards offering thermorenovation services : final report on the project : (USAID contract 181-G-00-97-00323) : for the period October 1997–August 2000 / Adam GUŁA, Jacek Markiewicz, Maciej SURÓWKA, Małgorzata Osewska, Maria Stankiewicz, Łukasz Pytliński, Mariusz FILIPOWICZ, Arkadiusz Figórski. — Kraków : [s. n.], 2000. — 54 s.

Mitigation of climate change and job creation by promotion of low cost measures to save energy in space heating in Poland / Adam GUŁA, Maciej SURÓWKA, Jacek Markiewicz, Mariusz FILIPOWICZ // W: Energy conservation in buildings and community systems : 50. executive committee meeting : technical presentations : Krakow, November 7, 2001 / ed. Stanisław Mierzwiński ; Silesian Technical University, Gliwice. Department of Heating, Ventilation and Dust Removal Technology ; International Energy Agency. — Gliwice : STU DHVDRT, 2001. — ISBN10: 8390793733. — S. 103–109. — Bibliogr. s. 109, Abstr.

Promotion of low cost measures to save energy in space heating and job creation: a USAID-GEF project in Poland / Adam GUŁA, Maciej SURÓWKA, Jacek Markiewicz, Mariusz FILIPOWICZ // ECBCS News ; ISSN 1754-0585. — 2002 iss. 35, s. 2–6. — Bibliogr. s. 6, Abstr.