@article{PostbergSchmidtHillieretal.2011,
  author    = {Frank Postberg and J. Schmidt and J. Hillier and Sascha Kempf and Ralf Srama},
  title     = {A salt-water reservoir as the source of a compositionally stratified plume on Enceladus},
  journal   = {Nature : the international weekly journal of science},
  volume    = {474},
  number    = {7353},
  pages     = {620 -- 622},
  doi       = {10.1038/nature10175},
  year      = {2011},
}