V. Bertolini, N. M. Montaño, E. Chimal Sánchez, L. Varela Fregoso, J. Gómez Ruiz, and J. M. Martínez Vázquez, “Abundance and richness of arbuscular mycorrhizal fungi in coffee plantations from Soconusco, Chiapas, Mexico”, Rev. Biol. Trop., vol. 66, no. 1, pp. 91–105, Mar. 2018.