Barreiro, P., Henche, L., Ruiz-Altisent, M., Hernández, N. and Moya-González, A. (2004) “Multivariate diagnosis of the variability of NIR spectrometers under industrial applications”, Spanish Journal of Agricultural Research, 2(4), pp. 485-492. doi: 10.5424/sjar/2004024-104.