@book{frankfurt+a+m+heidelberg+stuttgart+ulm+friedrichshafen+mannheim+stuttgart+ulm+friedrichshafen,
    author = {Rehbein, Arthur},
    title = {Frankfurt a. M., Heidelberg - Stuttgart - Ulm, Friedrichshafen, Mannheim - Stuttgart - Ulm, Friedrichshafen},
    address = {Frankfurt a. M.},
    publisher = {Expedition von Hendschels Telegraph, M. Hendschel},
    date = {1911}
}