Useful web addresses

and Gardner, J. W. (2008) Tungsten-Based SOI Microhotplates for Smart Gas Sensors. Journal of Microelectromechanical Systems, 17,1408-1417. 

Barrettino, D., Graf, M., Haflzovic, S.,Taschini, S., Hagleitner, C., Hierlemann, A. and Baltes, H. (2004a) A single-chip CMOS micro-hotplate array for hazardous-gas detection and material characterization. International Solid-State Circuit Conference. San Francisco, CA. 

Barrettino, D., Graf M., Zitmnermann, M., Hierlemann, A., Baltes, H., Hahn, S., Barsan, N. and Weimar, U. (2002) A smart single-chip micro-hotplate-based chemical sensor system in CMOS-technology. International Symposium on Circuits and Systems, 2,157-160. 

Dieguez, A., Merino, J. L., Casanova, R., Samitier, J. and Cane, C. (2004) A monolithic interface circuit for gas sensor arrays Control and measurement. Analog Integrated Circuits and Signal Processing, 40,175-184. 

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