Emmetropia and its aberrations : a study in the correlation of the optical components of the eye /
Sorsby, Arnold,1900-1980,author.
Benjamin, Bernard,1910-author.
Davey, J. B.,author.
Sheridan, M.,author.
Tanner, J. M.(James Mourilyan),author.
Great Britain.His Majesty's Stationery Office.
Medical Research Council (Great Britain),issuing body.
"Nov. 13, 1956."