@book { InformationPropagationontheWeb20,
    title = "Information Propagation on the Web 2.0",
    author = "Mark {Elsner}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01663-5",
    url = "https://www.peterlang.com/document/1045731"
}