@book { WhatDoesItLookLike,
    title = "What Does It Look Like?",
    author = "Sebastiaan A. {Verschuren}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11687",
    url = "https://www.peterlang.com/document/1109824"
}