@article{Torres06,
author = "R.S. Torres and A.X. Falc{\~{a}}o",
title = "Content-Based Image Retrieval: Theory and Applications",
journal = "Revista de Inform{\'{a}}tica Te{\'{o}}rica e Aplicada", 
volume = 13, 
number = 2,
pages = "161--185", 
year = 2006
}