Brevedan, M. I., A. A. Carelli, and G. H. Crapiste. “Changes in Composition and Quality of Sunflower Oils During Extraction and Degumming”. Grasas Y Aceites, vol. 51, no. 6, Dec. 2000, pp. 417-23, doi:10.3989/gya.2000.v51.i6.460.