@misc{oscar+niemeyer+s+ibirapuera+park+in+sao+paulo+built+with+one+line,
    author = {Twardowski, Mariusz},
    title = {Oscar Niemeyer’s Ibirapuera Park in São Paulo built with one line},
    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. 8}
}