@book { ValueCreationwithintheConstructionIndustry,
    title = "Value Creation within the Construction Industry",
    author = "Joachim {Vogt}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00573-8",
    url = "https://www.peterlang.com/document/1044295"
}