@misc{the+przeginia+duchowna+wastewater+treatment+plant+an+evaluation+of+treatment+process+efficiency, author = {Górka, Justyna}, title = {The Przeginia Duchowna wastewater treatment plant – an evaluation of treatment process efficiency}, journal = {Technical Transactions}, address = {Kraków}, publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>}, date = {2015}, number = {Y. 112, iss. 1-Ś} }