@misc{Spierling1986, author = {V. Spierling}, title = {Vorwort}, booktitle = {Lust an der Erkenntnis: Die Philosophie des 20. Jahrhunderts, Serie Piper Band 547, M{\"u}nchen / Z{\"u}rich (Piper Verlag) 1986, pp. 11-13.}, type = {foreword}, year = {1986}, }