1. Forest and Wood Sciences Department , Federal University of Espírito Santo , Av. Gov. Lindemberg, n° 316 – Centro, 29550-000 Jerônimo Monteiro , ES , Brazil
2. Forest Science Department , Federal University of Lavras , P.O. Box 3037, 37200-000 Lavras , MG , Brazil
3. Klabin – Technology Center, Industrial Research Development and Inovation, Fazenda Monte Alegre , St Harmonia, 03 Postal code, 84275-000 Telêmaco Borba , PR , Brazil
4. Physics Department , Federal University of Lavras , P.O. Box 3037, 37200-000 Lavras , MG , Brazil