@book { NachverhandlungenvonPublicPrivatePartnershipsAnalysedesBeitragsRenegotiationofConcessionContractsATheoreticalApproachvonGuaschLaffontStraub2006,
    title = "Nachverhandlungen von Public Private Partnerships – Analyse des Beitrags „Renegotiation of Concession Contracts. A Theoretical Approach“ von Guasch / Laffont / Straub (2006)",
    author = "Manuel {Keitel}",
    year = "2016",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/323895"
}