Cervigni, G.D.L. et al. 2007. Inheritance pattern and selection criteria for resistance to soybean cyst nematode races 3 and 9. Pesquisa Agropecuaria Brasileira. 42, 10 (Oct. 2007), 1413–1419. DOI:https://doi.org/10.1590/S1678-3921.pab2007.v42.7713.