Olczak P, Kowalski Z, Kulczycka J, Makara A. Eco-innovative method of cleaning heat exchangers from boiler scale. mper [Internet]. 2020 Mar. 30 [cited 2026 Sep. 20];11(1):23–-30. Available from: https://wydawnictwo.pan.pl/index.php/mper/article/view/5361