1. M. Seitz, F. Hampton, and W. Richmond, inAdvanced in Ceramics, edited by M. F. Yan and A. H. Heuer (The American Ceramic Society Inc., Ohio, 1983), Vol. 7, pp. 60–70.
2. M. J. Madou and R. Morrison,Chemical Sensing with Solid State Devices(Academic, San Diego, 1989), p. 6.
3. Solid state gas sensors
4. Influence of frozen distributions of oxygen vacancies on tin oxide conductance