@journal {10.17437/WDK1805, title = "Welt des Kindes 5/2018", journal = "Welt des Kindes", ISSN = "0373-5885", year = "2018", number = "5", doi = "10.17437/WDK1805", url = "https://content-select.com/index.php?id=bib_view&doi=10.17437%2FWDK1805", publisher = "Lambertus Verlag", language = "", }