@book { OnlineWerbungaufBasisinteraktiverKommunikation, title = "Online-Werbung auf Basis interaktiver Kommunikation", author = "Lars {Berg}", year = "1997", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783832404291", url = "https://m.diplom.de/document/216401" }