1. Techniques and Mechanisms in Gas Sensing;Moseley,1991
2. Solid State Gas Sensors;Williams,1987
3. Metal oxide sensors;Meixner;Sensors and Actuators B,1996
4. V. Jayaraman, G. Periaswami, T. Gnanasekaran, C.K. Mathews, in: Late Arrival Bulletin of the Third Asian Conference on Solid State Ionics, Varanasi, 1992.
5. Crystallographic characterisation of FeNbO4;Roth;Am. Mineral.,1964