A. L. de F. Coelho, F. L. Santos, F. de A. de C. Pinto, and D. M. de Queiroz, “Detachment efficiency of fruits from coffee plants subjected to mechanical vibrations”, Pesq. Agropec. Trop., vol. 45, no. 4, pp. 406–412, Dec. 2015, doi: 10.5216/pat.v45i4.36227.