@book{wehr+anlage+in+der+kueddow+bei+tarnowke+westpreussen,
    author = {Mohr, Eugen},
    title = {Wehr-Anlage in der Küddow bei Tarnowke (Westpreussen)},
    address = {Berlin},
    publisher = {Verlag von Julius Springer},
    date = {1882}
}