Gallegos-Infante, J.-A., R. Rico-Martínez, N. E. Rocha Guzmán, R. F. González-Laredo, and J. Morales Castro. “Experimental Characterization of Two Varieties of Sunflower With Potential for Oil Production Extracted With Hexane and Isopropyl Alcohol”. Grasas Y Aceites, vol. 54, no. 3, Sept. 2003, pp. 245-52, doi:10.3989/gya.2003.v54.i3.238.