@article{ref1,
title="Leisure Activities and Quality of Life",
journal="Activities, adaptation and aging",
year="1991",
author="Jackson, Letitia T.",
volume="15",
number="4",
pages="31-36",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0192-4788",
doi="10.1300/J016v15n04_04",
url="http://dx.doi.org/10.1300/J016v15n04_04"
}