@book { PrinciplesofSustainableUrbanDevelopmentintheBiddingProcessforOlympicGames, title = "Principles of Sustainable Urban Development in the Bidding Process for Olympic Games", author = "Gregor {Wiltschko}", year = "2010", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836640862", url = "https://m.diplom.de/document/227505" }