@book { OwnershipStructureandCorporatePerformance,
    title = "Ownership Structure and Corporate Performance",
    author = "Katinka {Wölfer}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06275-5",
    url = "https://www.peterlang.com/document/1049709"
}