@article{ref1,
title="Attention spans of children for experimentally designed toys",
journal="Journal of genetic psychology",
year="1955",
author="Moyer, K. E. and Von gilmer, B. H.",
volume="87",
number="2",
pages="187-201",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1325",
doi="",
url="http://dx.doi.org/"
}