@article{HeinemannKleinschmidtMueller2009,
  author    = {Linda Heinemann and Andreas Kleinschmidt and Notger Germar M{\"u}ller},
  title     = {Exploring BOLD changes during spatial attention in non-stimulated visual cortex},
  journal   = {PLoS One},
  volume    = {4},
  number    = {(5): e5560},
  doi       = {10.1371/journal.pone.0005560},
  year      = {2009},
}