1. Data augmentation;Conlin;Chemometrics and Intelligent Laboratory Systems,1998
2. Partial least squares regression;Geladi;Analytica Chimica Acta,1986
3. PLS regression methods;Höskuldsson;J. Chemometrics,1988
4. Hotelling, H. (1947). Multivariate quality control. In Eisenhart, Hastay & Wallis, Techniques of statistical analysis, New York.
5. A user's guide to principal components;Jackson,1991