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Computer simulation of the air flow distribution in goaf regarding the use of inert gases and chemical agents / Wacław Dziurzyński, Stanisław NAWRAT // W: Proceedings of the 2\textsuperscript{nd} international conference on Mine safety and environment protection : October 10–12, 2011, Xi'an, China / eds. Xintan Chang, [et al.]. — [China : Tianjin University Press], [2011]. — Opis częśc. wg okł.. — S. 5–12. — Bibliogr. s. 11–12, Abstr.

Proecological technology of methane utilization from mines / S. NAWRAT, S. NAPIERAJ, B. Kucharczyk, B. Stasińska // W: 22\textsuperscript{nd} World Mining Congress & Expo : 11–16 September 2011, Ístanbul, Vol. 2 / ed. Şinasi Eskikaya ; UCTEA The Chamber of Mining Engineers of Turkey. — Ankara : Aydo\v{g}du Ofset, cop. 2011. — Dod.: ISBN: 978-605-01-0146-1 (całość). — Opis częśc. wg okł.. — ISBN: 978-605-01-0148-5. — S. 745–748. — Bibliogr. s. 748, Abstr.