@article{ref1,
title="The future of space flights",
journal="Anales de Medicina: Medicina",
year="1964",
author="Mateusancho, P.",
volume="50",
number="",
pages="100-103",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0517-6824",
doi="",
url="http://dx.doi.org/"
}