TY  - RPRT
TI  - Spatial reference in weightlessness: perceptual factors and mental representations.
AU  - A D Friederici
AU  - W J Levelt
PY  - 1990
DO  - 10.3758/bf03205000
UR  - https://pubmed.ncbi.nlm.nih.gov/2326148/
ID  - 2326148
ER  -