@book { CoreRealEstateInvestmentsintimesofcrisisExemplifiedbytheFrankfurtandLondonofficemarket,
    title = "Core-Real Estate Investments in times of crisis: Exemplified by the Frankfurt and London office market",
    author = "David A. {Pieper}",
    year = "2013",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/287415"
}