1. Effect of Visual Field Defects on Binocular Single Vision
2. Walsh FB, Hoyt WF: Clinical Neuro-Ophthalmol ogy, ed 3. Baltimore, Williams and Wilkins, 1969, pp 550–551, 2528–2529.
3. Burian HM, von Noorden GK: Binocular Vision and Ocular Motility. Theory and Management of Strabismus, ed 1. St. Louis, CV Mosby Co, 1974, p 397.