@book { AllgemeineTechnologieundTechnischeBildung,
    title = "Allgemeine Technologie und Technische Bildung",
    author = "Elke {Hartmann} and Walter E. {Theuerkauf}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105550"
}