Ross, H E Mass estimation and discrimination during brief periods of zero gravity. [electronic resource] - Perception & psychophysics May 1982 - 429-36 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0031-5117 Standard No.: 10.3758/bf03204852 doi Subjects--Topical Terms: Adaptation, PhysiologicalAdolescentAdultCuesDiscrimination, PsychologicalFemaleGravitationHumansMaleWeight Perception--physiology