@book{bau+unterhaltung+in+haus+und+hof,
    author = {Hilgers, E.},
    title = {Bau-Unterhaltung in Haus und Hof},
    address = {Wiesbaden},
    publisher = {Verlag von Rud. Bechtold & Comp.},
    date = {1907}
}