@book{karmarsch+und+heeren+039+s+technisches+woerterbuch+bd+1+a+bremerblau,
    author = {Karmarsch, Karl},
    title = {Karmarsch und Heeren's Technisches Wörterbuch Bd. 1, A. - Bremerblau},
    address = {Prag},
    publisher = {Verlag der Bohemia},
    date = {1876}
}