Ortega San Martín, Luis2010-11-27http://revistas.pucp.edu.pe/index.php/quimica/article/view/3472/3328No presenta resumenapplication/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0Divulgación científica: “El mundo y sus demonios” de Carl SaganPopular Science: “The Demon-Haunted World”, Carl Saganinfo:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#1.04.00