TY  - RPRT
TI  - Vertical and horizontal processes in problem solving.
AU  - H H KENDLER
AU  - T S KENDLER
PY  - 1962
DO  - 10.1037/h0038537
UR  - https://pubmed.ncbi.nlm.nih.gov/14455127/
ID  - 14455127
ER  -