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Jurs, et al., Computational methods for the analysis of chemical sensor array data from volatile analytes, Chem Rev. 2000, 100, pp. 2649-2678, American Chemical Society.;  S.W. 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Vincenzini, et al., Solid state chemical and biochemical sensors, Advances in Science and Technology, 26, 1999 , pp. 335-345, National Research Center, Italy.;  Antonio Pardo, et al., Nonlinear inverse dynamic models of gas sensing systems based on chemical sensor arrays for quantitative measurements, IEEE Transactions on Instrumentation and Measurements, vol. 47, No. 3, Jun. 1998, pp. 644-651.WO200233393-A3  JACK P.C. KLEIJNEN: "Sensitivity Analysis and Optimization in Simulation: Design of Experiments and Case Studies" PROCEEDINGS OF THE 1995 WINTER SIMULATION CONFERENCE, 3 - 6 December 1995, XP002181266US2012024041-A1  Ishihara et al ("Capacitive-type sensors for the selective detection of nitrogen oxides" Sensors and Actuators B: Chemical, Volume 25, Issues 1-3, April 1995, Pages 392-395).