Fernández-Cuesta, A., A. Nabloussi, J. M. Fernández-Martínez, and L. Velasco. “Tocopherols and Phytosterols in Sunflower Seeds for the Human Food Market”. Grasas Y Aceites, vol. 63, no. 3, Sept. 2012, pp. 321-7, doi:10.3989/gya.010112.