TY  - RPRT
TI  - Attempted pupillary conditioning at four stimulus intervals.
AU  - E R HILGARD
AU  - C E DUTTON
AU  - J S HELMICK
PY  - 1949
DO  - 10.1037/h0059549
UR  - https://pubmed.ncbi.nlm.nih.gov/15391111/
ID  - 15391111
ER  -