@misc{potentials+and+challenges+of+polycentric+city+regions+a+case+study+of+frankfurt+rhine+main,
    author = {Peterek, Michael i Bürklin, Thorsten},
    title = {Potentials and challenges of polycentric city-regions: a case-study of Frankfurt Rhine-Main},
    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. 1-A}
}