da Silva, L.R.C. and Siqueira, J.O. 1991. Effects of carbohydrates and organic acids on the mycelial growth of the endomycorrhizal fungus Gigaspora gigantea In vitro. Pesquisa Agropecuaria Brasileira. 26, 11/12 (Oct. 1991), 2007–2014. DOI:https://doi.org/10.1590/S1678-3921.pab1991.v26.3554.