(1)
Rocha, F. E. de C.; Mantovani, E. C.; Bertaux, S.; Garcia, J. C. Comparison of Maize Seeders Concerning the Acquisition Price and Operational Efficiency. PAB 1992, 27 (5), 751-757. https://doi.org/10.1590/S1678-3921.pab1992.v27.3707.