1. Y.C. Martin, Quantitative Drug Design, Marcel Dekker, New York, 1978.
2. http://www.phc.vcu.edu/qsar.html.
3. http://www.netsci.org/science/compchem/feature19.html.
4. H. Wold, in: P.R. Krishnajah (Ed.), Multivariate Analysis, vol. 3, Academic Press, New York, pp. 383–407.
5. The Collinearity Problem in Linear Regression. The Partial Least Squares (PLS) Approach to Generalized Inverses