Affiliation: |
National Institute of Metrology, Standardization and Industrial Quality|
| address: | Av. Ns. das Graças, 50, Xerém, Duque de Caxias, Rio de Janeiro, Rio de Janeiro, 25250-020, Brazil | | phone: | +55-21-26799796 | | fax: | +55-21-26799021 | | web: | http://www.inmetro.gov.br | |
