@book { PerceivedQualityofMobileServices,
    title = "Perceived Quality of Mobile Services",
    author = "Astrid {Dickinger}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13970",
    url = "https://www.peterlang.com/document/1068518"
}