@article{VollmerMoellmann2013, author = {Michael Vollmer and Klaus-Peter M{\"o}llmann}, title = {Raindrops keep falling on my head}, journal = {In: Physik in unserer Zeit 43 (2012) 4, 200 - 201}, pages = {200 -- 201}, doi = {10.1002/piuz.201290063}, year = {2013}, }