@misc{SpahnSeiss2015,
  author    = {Frank Spahn and Martin Seiss},
  title     = {Charges dropped},
  booktitle = {Nature physics},
  volume    = {11},
  number    = {9},
  issn      = {1745-2473},
  institution = {Institut f{\"u}r Physik und Astronomie},
  type      = {other},
  pages     = {709 -- 710},
  year        = {2015},
}