@article{article5bd1e1ab,
title   = {Tree-shaped timber structural system: an ecological way of designing spatial structure},
author = {Gonçalves, Decio and Varanda, Luciano Donizeti and Christoforo, André Luis and Lahr, Francisco Antonio Rocco},
year = {2014},
doi = {10.5923/j.jce.20140404.01},
journal   = {Journal of Civil Engineering Research}
}