@article{article76ab1a27,
title   = {Approximate entropy as a measure of complexity in sap flow temporal dynamics of two tropical tree species under water deficit},
author = {Souza, Gustavo Maia and Ribeiro, Rafael Vsconcelos and Santos, Mauro Guida dos and Ribeiro, Henrique L and Oliveira, Ricardo Ferraz},
year = {2004},
doi = {10.1590/S0001-37652004000300015},
journal   = {Anais da Academia Brasileira de Ciências}
}