@article{StoesserHerrmannZehletal.2006,
  author    = {Reinhard Stoesser and Werner Herrmann and Andreas Zehl and Veronika Strehmel and Andr{\´e} Laschewsky},
  title     = {ESR spin probes in ionic liquids},
  doi       = {10.1002/cphc.200500651},
  url       = {http://onlinelibrary.wiley.com/doi/10.1002/cphc.200500651/full},
  year      = {2006},
}