Tonet, G.L. and da Silva, R.F.P. (1995) “Resistance of wheat genotypes to the greenbug Schizaphis graminum (Rondani, 1852) (Hom., Aphididae)”, Pesquisa Agropecuaria Brasileira, 30(3), pp. 299–306. doi:10.1590/S1678-3921.pab1995.v30.4307.