Grupioni, C. M. de F.; Santos, F. L.; Fernandes, H. C.; Valente, D. S. M.; Pinto, F. de A. de C. Development and Evaluation of Operational Performance of Macaw Fruits Semi-Mechanized Harvester by Means Mechanical Vibrations Principle. Semina: Ciênc. Agrár. 2018, 39, 497-510.