TY  - RPRT
TI  - Distributed practice and rote learning in concept formation.
AU  - J RICHARDSON
AU  - B O BERGUM
PY  - 1954
DO  - 10.1037/h0057923
UR  - https://pubmed.ncbi.nlm.nih.gov/13174720/
ID  - 13174720
ER  -