9A.Dieguez,A.R-Rodrguez,J.R.Morante,J.Kappler,N.Barsan,W.Gopel.Nanopaticle engineering for gas sensor optimization:improve sogel fabricated nanocrystalline SnO2 Thick film gas sensor for NO2 detection by calcinations,catalytic metal introduction and grinding treatments[J],sensors and Actuators,1999,B60:125~139.
10S.G.Ansari,P.Boroojerdian,S.R.Sainkar,R.N.Karekar.Grain size effect on H2 gas sensitivity of thick film resistor using SnO2 nanoparticles[J].Thin Solid Films,1997,295:271 ~ 275.