Differences in visual acuity measurements obtained with different types of targets.
Series: Psychological monographs: general and applied,; v. 69, no. 10; whole no. 395
Publisher: American Psychological Association
Published: 1955
Place of publication: [Washington]
Language: eng
Number of pages: 12
Subjects: Vision.
Notes: Bibliography: p. 12.
Cover title.
Condensation of thesis--Purdue University.