Ramírez-Seañez, A. R., J. G. Contreras-Martínez, A. Palomo-Gíl, V. de P. Álverez-Reyna, S. A. Rodríguez-Herrera, and M. García-Carrillo. “Cotton Biomass Production As Affected by Ultra-Narrow Rows and Population Density”. Agronomía Mesoamericana, vol. 23, no. 2, Dec. 2012, pp. 259-67, doi:10.15517/am.v23i2.6487.