@misc{misc872353b5,
title   = {Colorimetric evaluation of composite materials with different thickness by reflectance spectroscopy},
author = {Portero, Priscila P. and Florez, Fernando Luis Esteban and Bagnato, Vanderlei Salvador and Oliveira Junior, Osmir Batista de and Loffredo, Leonor de Castro Monteiro},
year = {2007},
doi = {10.1117/12.700992},
publisher = {International Society for Optical Engineering - SPIE},
booktitle   = {Lasers in Dentistry}
}