@book { VirtuelleTeams,
    title = "Virtuelle Teams",
    subtitle = "Konzeptionelle Annäherung, theoretische Grundlagen und kritische Reflexion",
    author = "Oliver {Keiser}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094328"
}