TY  - RPRT
TI  - VISUAL STANDARDS FOR THE PROBLEMS OF SPACEFLIGHT.
AU  - C A BERRY
PY  - 1963
DO  - 10.5694/j.1326-5377.1963.tb17964.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14061099/
ID  - 14061099
ER  -