@book{handbuch+der+tiefbohrkunde+bd+4+das+seilbohrsystem+brunnenbohren,
    author = {Tecklenburg, Theodor},
    title = {Handbuch der Tiefbohrkunde. Bd. 4, Das Seilbohrsystem (Brunnenbohren)},
    address = {Leipzig},
    publisher = {Baumgärtner's Buchhandlung},
    date = {1890}
}