Radwan, T.E.-S.E.-D., Mohamed, Z.K. and Reis, V.M. (2004) “Effect of inoculation with Azospirillum and Herbaspirillum on production of indolic compounds and growth of wheat and rice seedlings”, Pesquisa Agropecuaria Brasileira, 39(10), pp. 987–994. doi:10.1590/S1678-3921.pab2004.v39.6866.