@book{Gruen, author = {Gruen, Arno}, title = {Der Verrat am Selbst, M{\"u}nchen (Dtv) 1986.}, language = {de} } @book{Gruen, author = {Gruen, Arno}, title = {Der Wahnsinn der Normalit{\"a}t, M{\"u}nchen (Dtv) 1989.}, language = {de} } @book{Gruen, author = {Gruen, Arno}, title = {Falsche G{\"o}tter, D{\"u}sseldorf (ECON Verlag) 1991.}, language = {de} }