@book { DeutscherWortschatzbeschreibenlernenlehren,
    title = "Deutscher Wortschatz – beschreiben, lernen, lehren",
    author = "Jörg {Kilian} and Jan {Eckhoff}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04664-9",
    url = "https://www.peterlang.com/document/1048798"
}