Santos, H. P. dos; Ignaczak, J. C.; Lhamby, J. C. B. Crop Productivity of Wheat Rotation Systems for Ten-Year Period, in Passo Fundo, RS, Brazil. PAB 1995, 30 (12), 1397-1402. https://doi.org/10.1590/S1678-3921.pab1995.v30.4439.