@article{ref1,
title="Health evaluation of railroad tourism",
journal="Gigiena i Sanitariia",
year="1972",
author="Prokhorov, A. A. and Krinshpun, A. B.",
volume="37",
number="12",
pages="51-53",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0016-9900",
doi="",
url="http://dx.doi.org/"
}