@article{ref1,
title="Individual and collective problems in the study of thinking",
journal="Annals of the New York Academy of Sciences",
year="1960",
author="Bruner, Jerome S.",
volume="91",
number="1",
pages="22-37",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="10.1111/j.1749-6632.1961.tb50914.x",
url="http://dx.doi.org/10.1111/j.1749-6632.1961.tb50914.x"
}