Measuring the colour of virgin olive oils in a new colour scale using a low-cost portable electronic device
Fernández-Salmerón, J.; Gómez-Robledo, L.; Carvajal, M.A.; Huertas, R.; Moyano, M.J.; Gordillo, B.;
Palma, A.;Palma, A.; Heredia, F.J.; Melgosa, M. (2012). J. Food Eng. 111(2), 247-254