Souza, A. S., Santos, W. N. L. d., & Ferreira, S. L. C. (2005). Application of Box–Behnken design in the optimisation of an on-line pre-concentration system using knotted reactor for cadmium determination by flame atomic absorption spectrometry.

Souza, Anderson Santos, Walter Nei Lopes dos Santos, and Sergio Luis Costa Ferreira. Application of Box–Behnken Design in the Optimisation of an On-line Pre-concentration System Using Knotted Reactor for Cadmium Determination By Flame Atomic Absorption Spectrometry. 2005.

Souza, Anderson Santos, Walter Nei Lopes dos Santos, and Sergio Luis Costa Ferreira. Application of Box–Behnken Design in the Optimisation of an On-line Pre-concentration System Using Knotted Reactor for Cadmium Determination By Flame Atomic Absorption Spectrometry. 2005.