@book { BedeutungChancenundRisikendesSmallTalksimVertrieb,
    title = "Bedeutung, Chancen und Risiken des Small Talks im Vertrieb",
    author = "Wadim {Tkatschew}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Germany",
    doi = "10.3239/9783842805156",
    url = "https://m.diplom.de/document/228073"
}