De Pedro-Sanz, E., A. Serrano, E. Zamora-Rojas, A. Garrido-Varo, J. E. Guerrero-Ginel, D. Pérez-Marín, J. M. García-Casco, and N. Núñez-Sánchez. “Predicting Acorn-Grass Weight Gain Index Using Non-Destructive Near Infrared Spectroscopy in Order to Classify Iberian Pig Carcasses According to Feeding Regime”. Grasas Y Aceites, vol. 64, no. 2, June 2013, pp. 210-8, doi:10.3989/gya.131012.