@article{ref1,
title="Perceptions of Activity Directors Concerning Their Roles and Their Work",
journal="Activities, adaptation and aging",
year="1993",
author="Pieper, Hanns G. and Gray, Shari J.",
volume="17",
number="2",
pages="65-73",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0192-4788",
doi="10.1300/J016v17n02_07",
url="http://dx.doi.org/10.1300/J016v17n02_07"
}