@book { Emotionen,
    title = "Emotionen",
    author = "Frank Thomas {Grub} and Dessislava {Stoeva-Holm}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13227",
    url = "https://www.peterlang.com/document/1110366"
}