@misc{das+moselland+und+die+westdeutsche+eisenindustrie+t+1+das+moselland,
    author = {Sering, Max},
    title = {Das Moselland und die westdeutsche Eisenindustrie. T. 1, Das Moselland},
    address = {Leipzig},
    publisher = {Verlag von Duncker & Humbolt},
    date = {1910}
}