@misc{a+study+of+the+composition+of+cement+mortar+lining+in+water+and+sewage+pipelines,
    author = {Wassilkowska, Anna i Kuc, Karolina i Zielina, Michał},
    title = {A study of the composition of cement mortar lining in water and sewage pipelines},
    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. 4-B}
}