@book { NachhaltigkeitvonstrategischemWandel,
    title = "Nachhaltigkeit von strategischem Wandel",
    subtitle = "Eine systemische Perspektive",
    author = "Judith {Mühlbach}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096398"
}