TY  - GEN
AU  - Hess,E H
AU  - Polt,J M
TI  - Pupil Size in Relation to Mental Activity during Simple Problem-Solving
SN  - 0036-8075
PY  - 2010///0702
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1126/science.143.3611.1190
ER  -