@misc{artificial+sky+glow+in+cracow+agglomeration,
    author = {Kubala, Marek i Ściężor, Tomasz i Dworak, Tadeusz Z. i Kaszowski, Wiesław},
    title = {Artificial sky glow in Cracow agglomeration},
    journal = {Polish Journal of Environmental Studies},
    address = {Olsztyn},
    publisher = {Hard},
    date = {2009},
    number = {vol. 18, no. 3A},
    ISSN = {1230-1485}
}