Texto completo: acesso restrito. p. 176–185; Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-08-13T13:07:06Z No. of bitstreams: 1 F. Pirani.pdf: 709136 bytes, checksum: e4b5a1774ed4752764ef135e45f08b1f (MD5); Approved for entry into archive by Patricia Barroso (pbarroso@ufba.br) on 2014-08-13T17:43:33Z (GMT) No. of bitstreams: 1 F. Pirani.pdf: 709136 bytes, checksum: e4b5a1774ed4752764ef135e45f08b1...