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11 |
Observations on the Yurok Erikson, Erik H.. - Berkeley : Univ. of California Press, 1943
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12 |
Journal of the Optical Society of America / Vol. 31. (1941)
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13 |
Theory of image errors of the fifth order in rotationally symmetrical systems / 1. Reprinted from The journal of the Optical Society of America, vol. 29, No. 9, September, 1939 1939
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14 |
Application of the after-image test in the investigation of squint Bielschowsky, Alfred. - Chicago : American Medical Assoc., 1937
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15 |
Ce que disent les amis du petit Pierre Zur Mühlen, Hermynia. - Paris : Éditions Sociales Internationales, 1934
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