@article{TammerVollmer2013, author = {R. Tammer and Michael Vollmer}, title = {Regenb{\"o}gen in Wasser und edleren Tropfen}, journal = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 15-23}, pages = {15 -- 23}, year = {2013}, }