Costa, Cynthia Maria Carneiro, et al. “Arbuscular Mycorrhizal Fungi and Phosphorus Supply on Seedlings of Mangabeira”. Pesquisa Agropecuaria Brasileira, vol. 40, no. 3, Mar. 2005, pp. 225-32, doi:10.1590/S1678-3921.pab2005.v40.6948.