Pereira da Silva Júnior, José, and José Oswaldo Siqueira. 1998. “Mycorrhizal Colonization and Growth of Soybean Influenced by Different Fungal Species and Application of the Isoflavonoid Formononetin”. Pesquisa Agropecuaria Brasileira 33 (6):953-59. https://doi.org/10.1590/S1678-3921.pab1998.v33.4922.