1. R.C. Asher, R.G. Taylor, The Harwell oxygen sensors, Description, operating conditions and performance, AERE-R 10812, revised 1986 (Instrumentation and Applied Physics Division, Harwell Laboratory)
2. Recent developments in the design, performance, and application of HARWELL oxygen sensors and Harwell carbon meters, Fourth International Conference on Liquid Metal Engineering and Technology;Asher,1988
3. Electrochemical measurements in liquid alkali metals, Fourth International Conference on Liquid Metal Engineering and Technology;Barker,1988
4. Development of a zirconia based oxygen monitor for sodium coolant, Fourth International Conference on Liquid Metal Engineering and Technology;Periaswami,1988