R. S. Harwerth

Fusional vergence ranges of the monkey: A behavioral study

R. Harwerth, R. Boltz, R. L. Boltz, 1979, Experimental Brain Research.

Effects of intense visible radiation on the increment-threshold spectral sensitivity of the rhesus monkey eye

R. Harwerth, H. Sperling, H. G. Sperling, 1975, Vision Research.

Intense Spectral Light Effects on Spectral Sensitivity

R. Harwerth, H. Sperling, H. G. Sperling, 1972 .

Prolonged Color Blindness Induced by Intense Spectral Lights in Rhesus Monkeys

R. Harwerth, H. Sperling, H. G. Sperling, 1971, Science.