@article{ref1,
title="Research in Recreation",
journal="Research quarterly of the American Association for Health, Physical Education, and Recreation",
year="1939",
author="Hjelte, George",
volume="10",
number="1",
pages="3-9",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1067-1188",
doi="10.1080/10671188.1939.10624598",
url="http://dx.doi.org/10.1080/10671188.1939.10624598"
}