@book { BildtheorieundBildpraxisinderKunsttherapie,
    title = "Bildtheorie und Bildpraxis in der Kunsttherapie",
    author = "Peter {Sinapius} and Marion {Wendlandt-Baumeister} and Annika {Niemann} and Ralf {Bolle}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1136074"
}