@misc{water+quality+in+recreational+reservoirs+in+the+cracow+area,
    author = {Zemełka, Gabriela},
    title = {Water quality in recreational reservoirs in the Cracow area},
    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}
}