http://www.defensa.com/index.php?option=com_content&view=article&id=10902:el-ministro-de-defensa-brasileno-asegura-que-no-se-va-considerar-la-oferta-rusa-de-arrendar-su-35-para-la-fuerza-aerea-ni-ninguna-otra-opcion-de-transicion&catid=55:latinoamerica&Itemid=163
http://feedproxy.google.com/~r/Frkinauticos2/~3/R7P_vdXtFro/cual-es-la-aerolinea-mas-barata.html
http://www.nytimes.com/video/science/100000002508894/soaring-to-the-stratosphere.html
http://www.aopa.org/News-and-Video/All-News/2013/October/30/Glider-pilots-aim-to-reach-90000-feet-on-wind-power.aspx
http://www.wired.com/autopia/2013/11/e-volo-vc200/