@book { CapitalStructureandProfitabilitySP500EnterprisesintheLightofthe2008FinancialCrisis, title = "Capital Structure and Profitability: S&P 500 Enterprises in the Light of the 2008 Financial Crisis", author = "Elmar {Puntaier}", year = "2010", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836643917", url = "https://m.diplom.de/document/227663" }