1. Neurology of the Ocular Muscles;Cogan,1948
2. Clinical Physiology of the Eye;Adler,1933
3. Suggestions for a uniform nomenclature of the movements in motor anomalies of the eye;Duane;Tr. Am. Ophth. Soc.,1905
4. The Neurologic and Psychiatric Aspects of the Disorders of Aging;Critchley,1956