@article{lahr_christoforo_fiorelli_2016,  title={Influence of nails size and layout to obtain the reduction coefficient of moment of inertia for timber beams with composite cross section},  volume={36},  ISSN={0100-6916},  url={https://doi.org/10.1590/1809-4430-Eng.Agric.v36n4p715-723/2016},  DOI={10.1590/1809-4430-Eng.Agric.v36n4p715-723/2016},  number={4},  journal={Engenharia Agrícola},  publisher={Associação Brasileira de Engenharia Agrícola},  author={LAHR, FRANCISCO A. R. and CHRISTOFORO, ANDRÉ L. and FIORELLI, JULIANO},  year={2016},  month={Jul},  pages={715–723} }