@misc{a+calculation+proposal+of+labour+time+input+when+concreting+in+difficult+atmospheric+conditions,
    author = {Grzyl, Beata i Kristowski, Adam},
    title = {A calculation proposal of labour time input when concreting in difficult atmospheric conditions},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2014},
    number = {Y. 111, iss. 2-B}
}