@article{ref1,
title="Activities Make the Difference",
journal="Activities, adaptation and aging",
year="1990",
author="Carlo, Sharon and Deichman, Elizabeth S.",
volume="14",
number="4",
pages="1-4",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0192-4788",
doi="10.1300/J016v14n04_01",
url="http://dx.doi.org/10.1300/J016v14n04_01"
}