@book { DieretrospektiveDigitalisierungvonPrintpublikationen, title = "Die retrospektive Digitalisierung von Printpublikationen", author = "Jörn {Heckmann}", year = "2013", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-03122-5", url = "https://www.peterlang.com/document/1045831" }