Radwan, T.E.-S.E.-D., Mohamed, M.K. and Reis, V.M. (2005) “Aeration and salt effects on indol acetic production by diazotrophic bacteria”, Pesquisa Agropecuaria Brasileira, 40(10), pp. 997–1004. doi:10.1590/S1678-3921.pab2005.v40.7056.