@book { RadicalismandTerrorisminthe21stCentury,
    title = "Radicalism and Terrorism in the 21st Century",
    author = "Anna {Sroka} and Fanny {Castro-Rial Garrone} and Rubén Darío {Torres Kumbrián}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06974-7",
    url = "https://www.peterlang.com/document/1129819"
}