@book { ExecutiveStockOptionsundManageranreizeunterBercksichtigungnichttraditionellerVariantenvonStockOptions,
    title = "Executive Stock Options und Manageranreize unter Berücksichtigung nicht-traditioneller Varianten von Stock Options",
    author = "Jörg {Posselt}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832449650",
    url = "https://m.diplom.de/document/220531"
}