@article{TagliazucchiBehrensLaufs2013,
  author    = {Enzo Tagliazucchi and Marion Behrens and Helmut Laufs},
  title     = {Sleep neuroimaging and models of consciousness},
  journal   = {Frontiers in psychology},
  volume    = {4},
  number    = {article 256},
  doi       = {10.3389/fpsyg.2013.00256},
  year      = {2013},
}