TY  - RPRT
TI  - A rigid, transparent manipulandum for visual displays.
AU  - V J Polidora
PY  - 1965
DO  - 10.2466/pms.1965.21.2.625
UR  - https://pubmed.ncbi.nlm.nih.gov/4954592/
ID  - 4954592
ER  -