@book { ZeitmanagementSpezifikaimLebenderStudenten,
    title = "Zeitmanagement: Spezifika im Leben der Studenten",
    author = "Peter {Groepel}",
    year = "2001",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638101790",
    url = "https://www.hausarbeiten.de/document/235"
}