TY  - RPRT
TI  - A systematic study of ego functions.
AU  - L Bellak
AU  - M Hurvich
PY  - 1969
DO  - 10.1097/00005053-196906000-00001
UR  - https://pubmed.ncbi.nlm.nih.gov/5772722/
ID  - 5772722
ER  -