@book { OpeningUpKnowledgeProductionthroughParticipatoryResearch,
    title = "Opening Up Knowledge Production through Participatory Research?",
    author = "Jakob Rupert {Friederichsen}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1054098"
}