The Nela test of color vision
By: [by] Robert D. Loken.
Series: Comparative psychology monographs -- v. 17, serial no. 90
Publisher: Williams & Wilkins
Published: 1942
Place of publication: Baltimore
Language: eng
Number of pages: 37
Subjects: Vision.; Color vision.
Notes: Serial nos. 85-97 in vol. 17-18 with binder's title: Comparative psychology monographs, 1941-45.

Bibliography: p.35-37.