@book{die+felsengen+des+kazan+und+die+donau+und+theiss+regulirung+eine+studie,
    author = {Stefanović von Vilovo, Johann},
    title = {Die Felsengen des Kazan und die Donau- und Theiss-Regulirung : eine Studie},
    address = {Wien i Pest i Leipzig},
    publisher = {A. Hartleben's Verlag},
    date = {1879}
}