Döbereiner, J. and Arruda, N.B. de (2014) “Interralations between varieties and nutrition in nodulation and symbiosis of soybean (Glycine max (L.) Merril)”, Pesquisa Agropecuaria Brasileira, 2(1), pp. 475–487. doi:10.1590/S1678-3921.pab1967.v2.17964.