New Challenges in the Filed of Ambient Air Protection with the Emphasis on Economic (in)efficiencies of Chimney Sweeping Services. LEX [Internet]. 2013 Jul. 1 [cited 2026 Mar. 30];11(3):311-24. Available from: https://lex-localis.org/index.php/LexLocalis/article/view/11.2.311-324%282013%29