@book { OnMediaMonitoring,
    title = "On Media Monitoring",
    subtitle = "The Media and Their Contribution to Democracy",
    author = "Josef {Trappel} and Werner A {Meier}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1108576"
}