Monika , Poskart, и Lech Szecówka. 2007. Записки Горного института 170 (2), 250-53. https://pmi.spmi.ru/pmi/article/view/7764.

Monika , Poskart, and Lech Szecówka. 2007. "Environmental Effect of air/Fuel Staging and Flue Gas Recirculation on NOx Formation - Experimental and Numerical Analysis". Journal of Mining Institute 170 (2), 250-53. https://pmi.spmi.ru/pmi/article/view/7764.