Gomes de Sousa, S. F., Pereira Dias, P., Felix Tavares, L. A., da Silva Correia, T. P., & Arbex Silva, P. R. (2017). COMPARISON OF THREE-LED AND FOUR-LED SEED SENSOR TECHNOLOGIES FOR MONITORING CORN, SOYBEANS, AND SORGHUM SOWING. ENERGIA NA AGRICULTURA, 32(1), 8–11. https://doi.org/10.17224/EnergAgric.2017v32n1p8-11