@article{John2016,
  title = {The Use of Stereoscopy in a Neurosurgery Training Virtual Environment},
  author = {John, Nigel W and Phillips, Nicholas I and ap Cenydd, Llyr and Pop, Serban R and Coope, David and Kamaly-Asl, Ian and de Souza, Christopher and Watt, Simon J},
  year = {2016},
  journal = {Presence: Teleoperators and Virtual Environments},
  volume = {25},
  issue = {4}
}