Letícia dos S. H. Härter, Fabio S. Härter, Geri E. Meneghello, and Francisco A. Villela. “Physiological and Biochemical Performance of Sunflower Seeds Subjected to Different Osmotic Potentials”. Brazilian Journal of Agricultural Sciences, vol. 9, no. 1, Mar. 2014, pp. 1-6, doi:10.5039/agraria.v9i1a2232.