@book { DeterminantsofCreditSpreads,
    title = "Determinants of Credit Spreads",
    subtitle = "An Empirical Analysis for the European Corporate Bond Market",
    author = "Arne {Wilkes}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107631"
}