@book { NaturwissenschaftlichesExperimentiereninderGrundschule,
    title = "Naturwissenschaftliches Experimentieren in der Grundschule",
    author = "Roswitha {Greinstetter}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105257"
}