@book { ShareholderActivism,
    title = "Shareholder Activism",
    subtitle = "Benefits and Drawbacks",
    author = "Marion {Hartmann}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03159-1",
    url = "https://www.peterlang.com/document/1047670"
}