@book { PreisbildungimHandelmitInternetDomainnamen, title = "Preisbildung im Handel mit Internet-Domainnamen", author = "Tim {Schumacher}", year = "2001", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783832430825", url = "https://m.diplom.de/document/218792" }