@book { VideoAnalysisMethodologyandMethods,
    title = "Video Analysis: Methodology and Methods ",
    author = "Hubert {Knoblauch} and Bernt {Schnettler} and Jürgen {Raab} and Hans-Georg {Soeffner}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02667-2",
    url = "https://www.peterlang.com/document/1053598"
}