@book{generelles+project+zu+einem+kanal+potsdam+teltow+koepenick,
    author = {Höhmann i Lancizolle, Adolf von},
    title = {Generelles Project zu einem Kanal Potsdam-Teltow-Köpenick},
    address = {Berlin},
    publisher = {Verlag von Julius Springer},
    date = {1882}
}