@misc{indiciae345e8795f82d, title = {Method for studying exploratory behavior in infants.}, author = {H L RHEINGOLD and W C STANLEY and J A COOLEY}, year = {1962}, doi = {10.1126/science.136.3521.1054}, url = {https://pubmed.ncbi.nlm.nih.gov/14491764/}, note = {Source identifier: 14491764} }