Döbereiner, J., Day, J.M. and Dart, P.J. (2014) “Nitrogen fixation in the rhizosphere of Paspalum notatum and sugar cane”, Pesquisa Agropecuaria Brasileira, 8(7), pp. 153–157. doi:10.1590/S1678-3921.pab1973.v8.17499.