E. Gaas

Comparative effectiveness of voluntary heart rate control and muscular relaxation as active coping skills for reducing speech anxiety.

R. Gatchel, J. Hatch, P. Watson, 1977, Journal of consulting and clinical psychology.

Effects of arousal level on short- and long-term habituation of the orienting response

R. Gatchel, E. Gaas, 1976 .

Effects of arousal level and below-zero habituation training on the spontaneous recovery and dishabituation of the orienting response

James M. King, Robert J. Gatchel, R. Gatchel, 1977 .