@inproceedings{inproceedings04aaeb02,
title   = {Visual timber grader device},
author = {Calil Neto, Carlito and Calil Júnior, Carlito},
year = {2013},
publisher = {U.S. Departament of Agriculture},
booktitle   = {International Nondestructive Testing and Evaluation of Wood Symposium}
}