@book{Metzger, author = {Metzger, A.}, title = {D{\"a}monie und Transzendenz, Pfullingen (Neske) 1964.}, language = {de} } @book{Metzger, author = {Metzger, A.}, title = {Automation und Autonomie, Pfullingen (Neske) 1964.}, language = {de} }