@article{VollmerMoellmann2019, author = {Michael Vollmer and Klaus-Peter M{\"o}llmann}, title = {Von Eisw{\"u}rfeln und gefrorenen Seen}, journal = {Physik in unserer Zeit}, volume = {49}, number = {4}, pages = {201 -- 202}, doi = {10.1002/piuz.201801518}, year = {2019}, }