Texto completo: acesso restrito. p. 55–58; Submitted by Suelen Reis (suziy.ellen@gmail.com) on 2014-03-12T11:40:50Z No. of bitstreams: 1 1-s2.0-S0896841106001144-main.pdf: 131531 bytes, checksum: c32d1c2b596f30999b68b63db4424e2c (MD5); Approved for entry into archive by Alda Lima da Silva (sivalda@ufba.br) on 2014-03-12T17:48:23Z (GMT) No. of bitstreams: 1 1-s2.0-S0896841106001144-main.pdf: 131531 bytes, checks...