@book { Das1x1dersystemischenFragetechniken,
    title = "Das 1x1 der systemischen Fragetechniken",
    author = "Boris {Wünsche}",
    year = "2024",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1443284"
}