@book { UntersuchungenaninsituhergestelltenCermetsaufTitanEisenBorBasis,
    title = "Untersuchungen an in situ hergestellten Cermets auf Titan-Eisen-Bor-Basis",
    author = "Christoph {Sommer}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832403591",
    url = "https://m.diplom.de/document/216340"
}