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WikiPedia: Sự_kiện_UFO_Varginha http://www.ebc.com.br/noticias/2016/01/et-de-vargi... http://www.istoe.com.br/reportagens/105958_A+HISTO... http://www.ufo.com.br/cbpdv/inicial.htm http://g1.globo.com/mg/sul-de-minas/noticia/2016/0... http://oglobo.globo.com/brasil/as-pegadas-do-et-de... http://www.ufocasebook.com/Varginha.html http://www.ufoevidence.org/cases/case498.htm https://g1.globo.com/mg/sul-de-minas/noticia/2016/... https://books.google.com/books?id=-2fXdohkKO8C&pg=... https://www.wsj.com/articles/SB835915673862027500