J. O. Siqueira, D. H. Hubbell, and R. R. Valle, “Effects of phosphorus on formation of the vesicular-arbuscular mycorrhizal symbiosis”, PAB, vol. 19, no. 12, pp. 1465–1474, Apr. 2014, doi: 10.1590/S1678-3921.pab1984.v19.16241.