TY  - RPRT
TI  - Theoretical observations about life's basic tendencies.
AU  - C BUHLER
PY  - 1959
DO  - 10.1176/appi.psychotherapy.1959.13.3.561
UR  - https://pubmed.ncbi.nlm.nih.gov/13805798/
ID  - 13805798
ER  -