TY  - RPRT
TI  - Effect of pattern variation upon verbal maze learning.
AU  - R F THOMPSON
AU  - J F VOSS
AU  - W J BROGDEN
PY  - 1957
DO  - 10.1037/h0045512
UR  - https://pubmed.ncbi.nlm.nih.gov/13481266/
ID  - 13481266
ER  -