1. A. Harmer, A. Scheggi,Chemical, Biochemical, and Medical Sensors; in:Optical Fiber Sensors (B. Culshaw, J. Dakin, eds.), Artech House, Norwood, MA 1989.
2. O. S. Wolfbeis,Gas Sensors, in:Fiber Optic Chemical Sensors and Biosensors (O. S. Wolfbeis, ed.), CRC, Boca Raton, Florida, 1991.
3. T. Werner, I. Klimant, O. S. Wolfbeis,Analyst,1995,120, 1627.
4. W. Mills, L. Wild, Q. Chang,Mikrochim. Acta 1995,121, 225.
5. T. Posner, W. Karthe, R. M�ller,Exp. Tech. Phys. 1985,33, 241.