@book { UmweltmanagementanHochschulenNachhaltigkeitsperspektiven,
    title = "Umweltmanagement an Hochschulen: Nachhaltigkeitsperspektiven",
    author = "Walter {Leal Filho} and Bernd {Delakowitz}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1144014"
}