@book { DoIHaveanEnvironmentalDisease,
    title = "Do I Have an Environmental Disease?",
    author = "Walter {Wortberg}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05703-4",
    url = "https://www.peterlang.com/document/1067608"
}