Catalytic activity of natural clinoptilolite modified with iron by various methods in selective catalytic reduction of nitrogen oxides with ammonia $(NH_{3}-SCR)$ / A. SZYMASZEK-WAWRYCA, B. SAMOJEDEN, M. MOTAK // W: Modern problems and solutions in environmental protection - 2021 : post-conference monograph / ed. by Urszula Czyżewska, Marek Bartoszewicz, Róża Sawczuk. — Białystok : Wydawnictwo Uniwersytetu w Białymstoku, 2021. — Publikacja zawiera materiały z: 16th international interdisciplinary conference "Current environmental issues - 2021", [September 22-23, 2021, Bialystok]. — ISBN: 978-83-7431-692-7. — S. 10-27. — Bibliogr. s. 23-27, Abstr.

Influence of $SO_{2}$ poisoning on catalytic performance of modified zeolites in selective catalytic reduction of nitrogen oxides with ammonia ($NH_{3}-SCR$) / Agnieszka SZYMASZEK, Bogdan SAMOJEDEN, Monika MOTAK // W: Contemporary problems of power engineering and environmental protection 2020 [Dokument elektroniczny] / ed. by Krzysztof Pikoń, Magdalena Bogacka. — Wersja do Windows. — Dane tekstowe. — Gliwice : Silesian University of Technology, 2021. — e-ISBN: 978-83-950087-9-5. — S. 15–25. — Wymagania systemowe: Adobe Reader. — Tryb dostępu: https://drive.google.com/file/d/1V5BXW3bvlzHqNUjupnxYpxkuIVIGnDdT/view [2021-03-08]. — Bibliogr. s. 23–25, Abstr.. — Materiały z 8th Environmental protection and energy conference : 11th December 2020, online