@misc{indiciae94f7192add1b, title = {A mental model for early arithmetic.}, author = {J Huttenlocher and N C Jordan and S C Levine}, year = {1994}, doi = {10.1037//0096-3445.123.3.284}, url = {https://pubmed.ncbi.nlm.nih.gov/7931093/}, note = {Source identifier: 7931093} }