@book { Thecontributionoftelepresencetosupportdistancemanagement,
    title = "The contribution of telepresence to support distance management",
    author = "Rosi Maria {Heller}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836648677",
    url = "https://m.diplom.de/document/227870"
}