Barker AT, Freeston IL, Jalinous R, Jarratt JA. Barker, A. T.; Freeston, I. L.; Jalinous, R.; Jarratt, J. A. (1987). „Magnetic stimulation of the human brain and peripheral nervous system: an introduction and the resultsof an initial clinical evaluation”. Neurosurgery. 20 (1): 100—9. PMID3808249. doi:10.1097/00006123-198701000-00024..
Barker AT, Freeston IL, Jalinous R, Jarratt JA. Barker, A. T.; Freeston, I. L.; Jalinous, R.; Jarratt, J. A. (1987). „Magnetic stimulation of the human brain and peripheral nervous system: an introduction and the resultsof an initial clinical evaluation”. Neurosurgery. 20 (1): 100—9. PMID3808249. doi:10.1097/00006123-198701000-00024..