@book { BiopatentierungundSortenschutz, title = "Biopatentierung und Sortenschutz", author = "Eva-Maria {Herring}", year = "2013", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-02752-5", url = "https://www.peterlang.com/document/1046403" }