@misc{Funk1990, author = {Rainer Funk}, title = {Vorwort}, booktitle = {E. Fromm, Wege zur Befreiung. {\"U}ber die Kunst des Lebens, ed. by Rainer Funk (= Manesse B{\"u}cherei 31), Z{\"u}rich (Manesse Verlag) 1990, pp. 7-10.}, type = {foreword}, year = {1990}, }