by Gibby, Sr, R G, Gibby, Jr, R G, Kish, G B, Theologus, G C
Published in Psychological reports (01.08.1965)

by Theologus, G C, Gibby, Sr, R G, Gibby, Jr, R G, Crough, D G
Published in Psychological reports (01.12.1968)

by GIBBY, Jr, R G, GIBBY, Sr, R G, KISH, G B, THEOLOGUS, G C
Published in Perceptual and motor skills (01.06.1965)

by Baker, W J, Theologus, G C
Published in Journal of applied psychology (01.10.1972)