@article{Arigoni_1993, title={Die Gretchen-Frage}, volume={47}, url={https://www.chimia.ch/chimia/article/view/1993_160}, DOI={10.2533/chimia.1993.160}, number={5}, journal={CHIMIA}, author={Arigoni, Duilio}, year={1993}, month={May}, pages={160} }