@book { InnovationNetworksandClusters,
    title = "Innovation Networks and Clusters",
    author = "Blandine {Laperche} and Paul {Sommers} and Dimitri {Uzunidis}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6011-3",
    url = "https://www.peterlang.com/document/1044007"
}