Institution: | 1. Federal University of Campina Grande, Campina Grande, PB, Brazilvicente@dca.ufcg.edu.br;3. Federal University of Campina Grande, Campina Grande, PB, Brazil;4. Department of Biological and Agricultural Engineering and Department of Civil &5. Environmental Engineering, Texas A&6. M Univ., TX, U.S.A.;7. Federal University of Sergipe, Cidade Universitária Prof. José Aloísio de Campos, S?o Cristóv?o, SE, Brazil |