@book { TheInternationalCovenantonCivilandPoliticalRightsanditsFirstOptionalProtocol,
    title = "The International Covenant on Civil and Political Rights and its (First) Optional Protocol",
    author = "Johann {Bair}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099894"
}