@misc{SpahnSeiss2015,
  author    = {Spahn, Frank and Seiss, Martin},
  title     = {Charges dropped},
  series = {Nature physics},
  volume    = {11},
  journal   = {Nature physics},
  number    = {9},
  publisher = {Nature Publ. Group},
  address   = {London},
  issn      = {1745-2473},
  pages     = {709 -- 710},
  year      = {2015},
  language  = {en}
}