@book{karmarsch+und+heeren+039+s+technisches+woerterbuch+bd+2+bremergruen+eisen,
    author = {Karmarsch, Karl},
    title = {Karmarsch und Heeren's Technisches Wörterbuch. Bd. 2, Bremergrün - Eisen},
    address = {Prag},
    publisher = {Verlag der Bohemia},
    date = {1877}
}