P. 355-360,Jun./Jul.; Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2011-10-19T12:01:00Z No. of bitstreams: 1 a11v20n3.pdf: 715230 bytes, checksum: 45f2a312871425f0c9f363f54ecfaeb2 (MD5); Made available in DSpace on 2011-10-19T12:01:00Z (GMT). No. of bitstreams: 1 a11v20n3.pdf: 715230 bytes, checksum: 45f2a312871425f0c9f363f54ecfaeb2 (MD5) Previous issue date: 2010; Com o aumento da resistência b...