Villanueva, A., A. Clemente, J. Bautista, and F. Millán. “Production of an Extensive Sunflower Protein Hydrolysate by Sequential Hydrolysis With Endo- and Exo-Proteases”. Grasas Y Aceites, vol. 50, no. 6, Dec. 1999, pp. 472-6, doi:10.3989/gya.1999.v50.i6.697.