TY  - JOUR 
T1  - Evaluation of Two Statistical Tools (Least Squares Regression and
               Artificial Neural Network) in the Multivariate Optimization of Solid-Phase Extraction
               for Cadmium Determination in Leachate Samples
JO  - Journal of the Brazilian Chemical Society
A1  - Sousa Filho, Hélio R.
A1  - Oliveira, Daniel M.
A1  - Lemos, Valfredo A.
A1  - Bezerra, Marcos A.
SN  - 0103-5053
UL  - 10.5935/0103-5053.20140211
VL  - 26 
Y1  - 2015
PB  - Brasil 
ER  -