1. J. W. Berthold, “Sensors in industrial systems,” Chap. 13 inOptical Fiber Sensors: Applications, Analysis and Future Trends, J. P. Dakin and B. Culshaw, Eds., pp. 261–308, Artech House, London (1997).
2. Mach-Zehnder and Michelson topologies for self-referencing fiber optic intensity sensors
3. Self-referenced fibre optic intensity sensor based on a multiple beam Sagnac topology
4. A. D. Kersey, “Fiber optic sensor multiplexing techniques,” Chap. 15 inFiber Optic Smart Structures, E. Udd, Ed., pp. 409–444, John Wiley and Sons, New York (1995).