@misc{Nachtwey1974, author = {H. J. Nachtwey}, title = {Vorwort}, booktitle = {H.-J. Nachtwey (Ed.), Lebensqualit{\"a}t? Von der Hoffnung, Mensch zu sein, K{\"o}ln (Verlag Wissenschaft und Politik) 1974, pp. 7f.}, type = {foreword}, year = {1974}, }