1. Bartczak, A., Kopanska, A., Raczka, J.: Residential water demand in a transition economy: evidence from Poland. Water Sci. Technol. Water Supply, 9(5), 509–516 (2009)
2. Central Statistical Office: Environment Protection 2015, Warsaw (2015)
3. Ceny Wody (water prices):
http://www.cena-wody.pl/index.php?p=9&brutto=1
4. Cost Recovery for water services in water bodies: Not published paper prepared for President of National Water Management Authority (in Polish) PectoreEco, Gliwice (2013)
5. Economic Analysis of water use in Poland: Not published paper prepared for President of National Water Management Authority (in Polish) MGGP, Kraków (2010)