A. Pérez-Gálvez, J. Garrido-Fernández, M. Lozano-Ruiz, V. Montero-de-Espinosa, and M. I. Minguez-Mosquera, “Influence of the slow drying at low-temperature in the carotenoid content of two pepper varieties (Capsicum annuum L.). Biosynthetic and/or degradative balance as a function of the processing conditions”, Grasas aceites, vol. 52, no. 5, pp. 311–316, Oct. 2001.