1. Tenotomy of the superior oblique for hypertropia (preliminary report);Berke;Tr. Am. Ophth. Soc,1946
2. Bilateral anomalies of the oblique muscles;Jampolsky;Tr. Am. Acad. Ophth. Otolaryng.,1957
3. Bilateral superior oblique tenectomy for the A-pattern in strabismus;Bedrossian;Arch Ophth.,1967
4. Brown, H. W.: Dissociated Vertical Anomalies. In A. Arruga (ed): International Strabismus Symposium. New York, S. Karger, 1966, p. 175.
5. Lectures on motor anomalies. II. The theory of heterophoria;Bielschowsky;Am. J. Ophth.,1938