p.857-867; Submitted by Rigaud Andréa (andrearigaud16@yahoo.com.br) on 2011-10-11T19:24:39Z No. of bitstreams: 1 a10v10n4.pdf: 184848 bytes, checksum: 8ff9f4a16902060fc239efc8903c48d9 (MD5); Made available in DSpace on 2011-10-11T19:24:39Z (GMT). No. of bitstreams: 1 a10v10n4.pdf: 184848 bytes, checksum: 8ff9f4a16902060fc239efc8903c48d9 (MD5) Previous issue date: 2005-10; O presente artigo identifica e discute ...