TY  - RPRT
TI  - FORMAL STRUCTURES IN ABNORMAL THINKING.
AU  - L Ostergaard
PY  - 1963
DO  - 10.1111/j.1600-0447.1963.tb07862.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14085193/
ID  - 14085193
ER  -