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\bibitem{Delabie_etal1997} {\textquotedblleft}\textit{The effect of sintering and Pd-doping on the conversion of CO to CO$_{2}$ on SnO$_{2}$ gas sensor materials}{\textquotedblright}. Delabie L, Honor{\'e} M, Lenaerts S, Huyberechts G, Roggen J, Maes G, Sensors And Actuators B-Chemical \textbf{44}, 446 (1997).   http://doi.org/10.1016/S0925-4005(97)00170-6

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