@article{ref1,
title="Developmental psychology",
journal="Annual review of psychology",
year="1970",
author="Elkind, D. and Sameroff, A.",
volume="21",
number="",
pages="191-238",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0066-4308",
doi="10.1146/annurev.ps.21.020170.001203",
url="http://dx.doi.org/10.1146/annurev.ps.21.020170.001203"
}