author = { Altenhöner, Reinhard AND Steinke, Tobias },

title = { Kopal: cooperation, innovation and services Digital preservation activities at the German National Library },

publisher = {Emerald},

isbn = {0737-8831},

keywords = { Library and Information Sciences , Information Systems },

year = {2010},

url = { http://slubdd.de/katalog?TN_libero_mab2 }