Aylas, Waldo Wilfredo Flores, et al. “Effects of <i>Glomus etunicatum< i> And Phosphorus on Initial Growth of Woody Species at Direct Seeding”. Pesquisa Agropecuaria Brasileira, vol. 38, no. 2, Feb. 2003, pp. 257-66, doi:10.1590/S1678-3921.pab2003.v38.6569.