@book { ValuingyoungcompaniesAmemberbasedapproach,
    title = "Valuing young companies. A member-based approach",
    author = "Bernhard {Prantl}",
    year = "2015",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/292852"
}