Visual acuity with lights of different colors and intensities
By: by David Edgar Rice ...
Publisher: Press of the New era printing company]
Published: 1912
Place of publication: New York city; [Lancaster, Pa
Language: eng
Number of pages: 60
Subjects: Sight
Notes: Thesis (Ph. D.)--Columbia university, 1912.
Vita.
"Reprinted from Archives of psychology, no. 20."
Published also as Columbia contributions to philosophy and psychology, vol. XX, no. 2.