TY  - RPRT
TI  - The microgenetic method. A direct means for studying cognitive development.
AU  - R S Siegler
AU  - K Crowley
PY  - 1991
DO  - 10.1037//0003-066x.46.6.606
UR  - https://pubmed.ncbi.nlm.nih.gov/1952421/
ID  - 1952421
ER  -