@book { EntwicklungundVernderungkognitiverStrukturen,
    title = "Entwicklung und Veränderung kognitiver Strukturen",
    author = "Roland {Arbinger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072388"
}