@article{ref1,
title="Characteristics of physical activities of secondary school students of Moscow and Kaunas",
journal="Pediatriia",
year="1988",
author="Kardialis, K. K. and Goshtautas, A. A. and Levina, I. I. and Aleksandrov, A. A.",
volume="ePub",
number="7",
pages="107-108",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0031-403X",
doi="",
url="http://dx.doi.org/"
}