(1)
dos Santos, H. P.; Reis, E. M. Crop Rotation in Guarapuava, PR Brazil. XVI. Energetic Efficiency of Rotation Systems for Wheat, under No-Tillage. PAB 1995, 30 (2), 215-222. https://doi.org/10.1590/S1678-3921.pab1995.v30.4295.