TY  - RPRT
TI  - Measuring perceived orientation.
AU  - P Emerson
AU  - P Wenderoth
AU  - I Curthoys
AU  - I Edmonds
DO  - 10.1016/0042-6989(75)90248-5
UR  - https://pubmed.ncbi.nlm.nih.gov/1166601/
ID  - 1166601
ER  -