R M HALSEY

Luminance of equally bright colors.

A CHAPANIS, R. M. Halsey, A. Chapanis, 1955, Journal of the Optical Society of America.

Identification of signal lights. I. Blue, green, white, and purple.

R. M. Halsey, R M HALSEY, 1959, Journal of the Optical Society of America.

Identification of signal lights. II. Elimination of the purple category.

R M HALSEY, 1959, Journal of the Optical Society of America.