Perona, J. S., V. Ruiz-Gutiérrez, and L. J. Barrón. “High-Performance Liquid Chromatography in the Separation of Triglycerides from Complex Animal Fats”. Grasas Y Aceites, vol. 50, no. 4, Aug. 1999, pp. 298-11, doi:10.3989/gya.1999.v50.i4.671.