R L Poston

Spatial orientation: Visual-vestibular-somatic interaction

D E Parker, D. Parker, W L Gulledge, 1983, Perception & psychophysics.

Tilt from ahead-inverted position produces displacement of visual subjective vertical in the opposite direction

D E Parker, D. Parker, R L Poston, 1984, Perception & psychophysics.

Physiological and behavioral effects of tilt-induced body fluid shifts.

A Ivarsson, D E Parker, W L Gulledge, 1983, Aviation, space, and environmental medicine.