@book { CloudComputingausNutzerundAnbietersicht,
    title = "Cloud Computing aus Nutzer- und Anbietersicht",
    author = "Sebastian {Summerer}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656137238",
    url = "https://www.hausarbeiten.de/document/189519"
}