Artigos que serão sorteados para o seminário I

https://docs.google.com/file/d/0B44sksCq0TtSM3ZBYWt3dzY5djg/edit, https://docs.google.com/file/d/0B44sksCq0TtScWc3SXgtSzVyeUU/edit,
https://docs.google.com/file/d/0B44sksCq0TtSa2lFOEpPWGlfc28/edit, https://docs.google.com/file/d/0B44sksCq0TtSNFVqUFdneXBLdms/edit