TY  - RPRT
TI  - Defensive externality and its relation to academic performance.
AU  - T J Prociuk
AU  - L J Breen
PY  - 1975
DO  - 10.1037/h0076506
UR  - https://pubmed.ncbi.nlm.nih.gov/1151611/
ID  - 1151611
ER  -