1. Partial Least Squares Regression (PLS): a tutorial;Geladi;Anal. Chim. Acta,1986
2. PLS Regression Methods;Höskuldson;J. Chemom.,1988
3. Multivariate Data Analysis in Chemistry;Wold,1984
4. Multivariate Data Analysis. Converting Chemical Data Tables to Plots;Wold,1989
5. Analysis of a complex of statistical variables into principal components;Hotelling;J. Educat. Psychol.,1933