Comparison of shaft and flash smelting processes of copper production using thermo-ecological cost method / Bożena BORYCZKO, Janusz DONIZAK, Adam HOŁDA, Zygmunt KOLENDA, Jan NORWISZ // W: ECOS 2006 : proceedings of the 19\textsuperscript{th} international conference on Efficiency, Cost, Optimization, Simulation and environmental impact of energy systems : Aghia Pelagia, Crete, Greece, 12–14 July 2006, Vol. 2 / eds. Christos A. Frangopoulos, Constantine D. Rakopoulos, George Tsatsaronis. — [Athens : National Technical University], cop. 2006. — ISBN10: 960-87584-1-6. — S. 663–668. — Bibliogr. s. 668, Abstr.

Cumulative energy and exergy analysis of shaft furnace and outocumpu process of copper production / KOLENDA Z., BORYCZKO B., NORWISZ J., HOŁDA A., Escobedo Bocardo Jose // W: REWAS 2008 : global symposium on Recycling, Waste treatment and clean technology : October 12–15, 2008 Cancun, Mexico : proceedings / eds. B. Mishra, C. Ludwig, S. Das. — Warrendale : The Minerals, Metals & Materials Society, [2008]. — ISBN: 978-0-87339-726-1. — S. 1103–1108. — Bibliogr. s. 1108, Abstr.

Poland's renewable policy : constrains, costs and limitations / Jan J. NORWISZ, Alexander D. Panek // W: ECOS 2002 : proceedings of the 15th international conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems : Berlin July 3–5, 2002, Vol. 2 / ed. by George Tsatsaronis [et al.]. — Berlin : Technische Universität. Institute for Energy Engineering, 2002. — S. 1280–1285. — Abstr.