TY  - RPRT
TI  - [Spontaneous alternation and induction].
AU  - S Ishihara
AU  - O Fujita
PY  - 1969
DO  - 10.4992/jjpsy.39.299
UR  - https://pubmed.ncbi.nlm.nih.gov/5813877/
ID  - 5813877
ER  -