author = { Kelsen, Hans Ringhofer, Kurt },

title = { Allgemeine Theorie der Normen },

edition = { Unveränd. Nachdr. } ,

publisher = {Manz},

isbn = {3214068822},

keywords = { Rechtsnorm , Rechtstheorie , Norm Ethik , Theorie },

year = {1990},

address = { Wien },

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