@book { DerProductbyprocessAnspruchimSystemdesdeutschenPatentrechts, title = "Der Product-by-process-Anspruch im System des deutschen Patentrechts", author = "Katharina {Brandt}", year = "2019", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/b14902", url = "https://www.peterlang.com/document/1057341" }