ChapanisA.Applied experimental psychology. New York: Wiley, 1949.
2.
CochranW. G.CoxG. M.Experimental design. New York: Wiley, 1950.
3.
DvorineI.Dvorine color perception testing and training charts. Vol. I. Testing charts. Baltimore: Author, 1944.
4.
GerathewohlS. J.Conspicuity of flashing and steady light signals. I. Variation of contrast. USAF School of Aviation Medicine, Project No. 21-24-014, Report No. 2, 1952.
5.
PoffenbergerA. T.Reaction cime to retinal stimulation with special reference to time lost in conduction through nerve centers. Arch. Psychol., 1912, 23, 1–73.
