@book { ImprovingPreachingbyListeningtoListeners,
    title = "Improving Preaching by Listening to Listeners",
    author = "Hans {Austnaberg}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-0254-7",
    url = "https://www.peterlang.com/document/1051185"
}