AU  - Pascal JI
TI  - "Problem in refraction"
PT  - JOUR
DP  - 1941
TA  - Archives of Ophthalmology
pages = {155-156},
VI  - 25
IP  - 1
AID  - 10.1001/archopht.1941.00870070169020 [doi]
4100  - http://dx.doi.org/10.1001/archopht.1941.00870070169020
SO  - Archives of Ophthalmology January 1, 1941 25(1):155