Total and individual carotenoid profiles in Solanum phureja cultivated potatoes. 2: Development and application of near-infrared reflectance spectroscopy (NIRS) calibrations for germplasm characterization - Bonierbale, Merideth W.; Grüneberg, W.J.; Amoros, W.; Burgos, G.; Salas, E.; Porras, E.; Felde, T. zum (Elsevier, 2009)