Mantovani, E. C., Leplatois, M., & Inamassu, R. Y. (1999). Electronic instrumentation use on field performance test of agricultural tractors and implements. Pesquisa Agropecuaria Brasileira, 34(7), 1241–1246. https://doi.org/10.1590/S1678-3921.pab1999.v34.5310