@book { VoluntaryDisclosureofCompanyInformationCostlyAdditionsorasteptowardsCompetitiveAdvantage,
    title = "Voluntary Disclosure of Company Information - Costly Additions or a step towards Competitive Advantage?",
    subtitle = "An Application to the Case of Publicly Quoted Football Clubs in Europe",
    author = "Patrick {Roy}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832448295",
    url = "https://m.diplom.de/document/220404"
}