The brightness sensibiity of the retina
By: by Julian Blanchard ...
Publisher: Press of the New era printing company
Published: 1918
Place of publication: Lancaster, Pa
Language: eng
Number of pages: 99
Subjects: Retina
Notes: Vita.

"Reprinted from the Physical review, vol. XI, no. 2, February, 1918."

"Communication no. 45 from the research laboratory of the Eastman kodak company."

Thesis (Ph. D.)--Columbia university, 1917.