1. ADLER, F. H. (1948). Amer. J. Ophthal., 31, 387.
2. ANDERSON, J. R. (1947). British Journal of Ophthalmology, Monograph Suppl. XII.
3. BIELSCHOWSKY, A. (1935). Arch. Ophthal., Chicago, 13, 33, 751.
4. BIELSCHOWSKY, A. (1938). Ibid., 20, 175.
5. Lectures on Motor Anomalies;BIELSCHOWSKY, A.,1940