Dietschy, Beat (Ed.), Doris Zeilinger (Ed.) and Rainer Zimmermann (Ed.). Bloch-Wörterbuch. Leitbegriffe der Philosophie Ernst Blochs. Berlin, Boston: De Gruyter, 2012. Web. Retrieved 24 May. 2013, from http://www.degruyter.com/view/product/129493

Dietschy, B. (Ed.), Zeilinger, D. (Ed.) & Zimmermann, R. (Ed.) (2012). Bloch-Wörterbuch. Leitbegriffe der Philosophie Ernst Blochs. Berlin, Boston: De Gruyter. Retrieved 24 May. 2013, from http://www.degruyter.com/view/product/129493

Dietschy, Beat (Ed.), Doris Zeilinger (Ed.) and Rainer Zimmermann (Ed.). 2012. Bloch-Wörterbuch. Leitbegriffe der Philosophie Ernst Blochs. Berlin, Boston: De Gruyter. Retrieved 24 May. 2013, from http://www.degruyter.com/view/product/129493