'A'
G. Gagliardi, M. Salza, P. Ferraro, and P. De Natale,
"Interrogation of high-finesse FBG resonators by laser-frequency locking for high-sensitivity strain sensing,"
The 18thh International Conference on Optical Fiber Sensors (OFS), Cancun, Mexico, paper TuE37, Oct. 2006.
Authors' addresses:
Instituto Nazionale di Ottica Applicata and European Laboratory for Nonlinear Spectroscopy, Pozzuoli, Italy

'B'
B. Lee and Y. Jeong, "Interrogation Techniques for Fiber Grating Sensors and the Theory of Fiber Gratings," in Fiber Optic Sensors (edited by F. T. S. Yu and S. Yin), Marcel Dekker, NY, USA, 2002, Chapter 7, pp. 295-381.