@misc{life+and+death+of+a+colliery+the+condition+and+significance+of+former+coal+mining+facilities+in+the+transborder+region+of+saarland+moselle,
    author = {Langer, Piotr},
    title = {Life and death of a colliery. The condition and significance of former coal mining facilities in the transborder region of Saarland-Moselle},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2017},
    number = {Y. 114, vol. 9}
}