@article{ref1,
title="Equipment of makeshift agricultural airfields (helipads) and the organization of technical aviation operations",
journal="Feldsher i Akusherka",
year="1986",
author="Makarchuk, V. O.",
volume="51",
number="10",
pages="3-7",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0014-9772",
doi="",
url="http://dx.doi.org/"
}