Multiple linear regression and artificial neural networks based on principal components to predict ozone concentrations. - S. I. V. Sousa; Fernando Gomes Martins; M. C. M. Alvim-Ferraz; M. C. Pereira (Environ. Model. Softw., 2007)

Selection and validation of parameters in multiple linear and principal component regressions. - José Carlos M. Pires; Fernando Gomes Martins; S. I. V. Sousa; M. C. M. Alvim-Ferraz; M. C. Pereira (Environ. Model. Softw., 2008)