@book { IntellectualPropertyRightsinComputerProgramsintheUSAandGermany,
    title = "Intellectual Property Rights in Computer Programs in the USA and Germany",
    author = "Klaus {Lodigkeit}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100889"
}