@book { BusinessImpactsofWebAccessibility,
    title = "Business Impacts of Web Accessibility",
    subtitle = "A Holistic Approach",
    author = "Marie-Luise {Leitner}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1136190"
}