Mariana de O. e Silva, Tadayuki Yanagi Junior, Leonardo Schiassi, Diogo F. Rossoni, Jackson A. Barbosa, and Sílvia de N. M. Yanagi. “Spatial Variability of the Noise Level of a Hedge Trimmer and Backpack Blower”. Brazilian Journal of Agricultural Sciences 9, no. 3 (September 30, 2014): 454-458. Accessed July 22, 2024. http://agraria.pro.br/ojs32/index.php/RBCA/article/view/v9i3a3770.