@article{ref1,
title="Summer recreational activities of elementary school students",
journal="Suomen Laakarilehti. Finlands Lakartidning",
year="1960",
author="Ylostalo, T.",
volume="15",
number="",
pages="295-298",
abstract="<p>[Abstract unavailable]</p><p>Language: fi</p>",
language="fi",
issn="0039-5560",
doi="",
url="http://dx.doi.org/"
}