@misc{indiciae40b0c191e0c2, title = {Numerical abstraction by human infants.}, author = {P Starkey and E S Spelke and R Gelman}, year = {1990}, doi = {10.1016/0010-0277(90)90001-z}, url = {https://pubmed.ncbi.nlm.nih.gov/2225757/}, note = {Source identifier: 2225757} }