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<http://hanson.gmu.edu/greatfilter.html> <http://spanish.peopledaily.com.cn/31615/4085337.html> <http://web.archive.org/web/20000817201034/http:/zebu.uoregon.edu/~js/> <http://web.archive.org/web/20011107185016/http:/www.space.com/searchforlife/shostak_paradox_011024.html> <http://web.archive.org/web/20040417010200/http:/zebu.uoregon.edu/~js/cosmo/lectures/lec28.html> <http://www-personal.engin.umich.edu/~fritx/Ftlessay/essay.html> <http://www.antiguosastronautas.com/articulos/Zaitsev02.html> <http://www.rfreitas.com/Astro/ResolvingFermi1983.htm> <http://www.rfreitas.com/Astro/ThereIsNoFermiParadox1985.htm> <http://www.sff.net/people/Geoffrey.Landis/percolation.htp> <http://www.transhumanist.com/Smart-Fermi.htm>