TY  - RPRT
TI  - External validity of laboratory fear assessment: implications from two case studies.
AU  - J R Lick
AU  - T E Unger
PY  - 1975
DO  - 10.1037//0022-006x.43.6.864
UR  - https://pubmed.ncbi.nlm.nih.gov/427/
ID  - 427
ER  -