Ohno, Tadao, and Hiroshio Tsubokawa. "Electromyographic Activity of Neck Muscles in Relation to the Initiation of Head Turning Induced by Stimulation of the Caudate Nucleus in the Cat." The Head-Neck Sensory Motor System. : Oxford University Press, 1992-04-16. Oxford Scholarship Online. 2012-03-22. Date Accessed 19 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195068207.001.0001/acprof-9780195068207-chapter-55>.
Ohno, T., & Tsubokawa, H.(1992-04-16). Electromyographic Activity of Neck Muscles in Relation to the Initiation of Head Turning Induced by Stimulation of the Caudate Nucleus in the Cat. In The Head-Neck Sensory Motor System. : Oxford University Press. Retrieved 19 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195068207.001.0001/acprof-9780195068207-chapter-55.
Ohno, Tadao, and Hiroshio Tsubokawa. "Electromyographic Activity of Neck Muscles in Relation to the Initiation of Head Turning Induced by Stimulation of the Caudate Nucleus in the Cat." In The Head-Neck Sensory Motor System. : Oxford University Press, 1992-04-16. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195068207.001.0001/acprof-9780195068207-chapter-55.
Ohno T, Tsubokawa H. Electromyographic Activity of Neck Muscles in Relation to the Initiation of Head Turning Induced by Stimulation of the Caudate Nucleus in the Cat. In: Berthoz A, Graf W, Vidal PP. The Head-Neck Sensory Motor System. Oxford University Press; 1992. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195068207.001.0001/acprof-9780195068207-chapter-55. Accessed May 19, 2013.