V. Guirguitiu, Structural Health Monitoring: with Piezoelectric Wafer Active Sensors, Academic press, USA, 2007.
	V. Giurgiutiu, Embedded NDE with piezoelectric wafer active sensors in aerospace applications, Journal of Materials- Special issue on NDE, Jan 2003.
	C. S. Wang, F. Wu, F. K. Chang, Structural health monitoring from fiber-reinforced composites to steel-reinforced concrete, Smart materials and Structures 10, pp. 548-552, 2001. CrossRef
	C. A. Paget, Sebastien Grondel, Klas Levin, Christophe Delabarre, Damage assessment in composites by Lamb waves and wavelet coefficients, Smart materials and Structures 12, pp. 393-402, 2003. CrossRef
	Z. Su, L. Ye, Y. Lu, Guided Lamb waves for identification of damage in composite structures: A Review, Journal of sound and vibration 295, pp. 753-780, 2006. CrossRef
	R. Gangadharan, D. R. Mahapatra, S. Gopalakrishnan, C. R. L. Murthy, M. R. Bhat, On the sensitivity of elastic waves due to structural damages: Time-frequency based indexing methid, Journal of sound and vibration 320, pp. 915-941, 2009. CrossRef
	I. A. Viktorov, Rayleigh and Lamb waves- Physical theory and applications, Plenum press, Newyork, USA, 1967.
	A. H. Nayfeh, Wave propagation in layered anisotropic media: with application in composites, Elsevier press, Amsterdam, Netherlands, 1999.
	J. L. Rose, Ultrasonic waves in solid media, Cambridge university press, Cambridge, UK, 1999.
	M. Fink, Time reversal of ultrasonic fields-part I: basic principles, IEEE Trans. Ultrason. Ferroelectr. Freq. Control 39, pp. 555-566, 1992.
	M. Fink, G. Montaldo, M. Tanter, Time reversal acoustics, IEEE Ultrasonics symposium, pp. 850-859, 2004.
	R. Ing, M. Fink, Time-reversed Lamb waves, IEEE Trans. Ultrason. Ferroelectr. Freq. Control 45(4), pp. 1032-1043, 1998.
	C. H. Wang, J. T. Rose, F. K. Chang, A synthetic time-reversal imaging method for structural health monitoring, Smart material and structures 13(2), pp. 415-423, 2005. CrossRef
	B. Xu, V. Giurgiutiu, Single mode tuning effects on Lamb wave time reversal with Piezolectric wafer active sensors for Structural health monitoring, Journal of Nondestructive evaluation 26, pp. 123-134, 2007. CrossRef
	R. Gangadharan, C. R. L. Murthy, S. Gopalakrishnan, M. R. Bhat, Time reversal technique for health monitoring of metallic structure using Lamb waves, Ultrasonics 49, pp. 696-705, 2009. CrossRef
	H. Sohn, H. W. Park, K. H. Law, C. R. Farrar, Damage detection in composite plates by using an enhanced time reversal method, Journal of Aerospace Engineering 20(3), pp. 141-151, 2007. CrossRef
	H. W. Park, H. Sohn, K. H., Law, C. R. Farrar, Time reversal active sensing for health monitoring of a composite plate, Journal of Sound and Vibration 302, pp. 50-66, 2007. CrossRef
	H. W. Park, S. B. Kim, H. Sohn, Understanding a time reversal process in Lamb wave propagation, Wave motion 46, pp. 451-467, 2009. CrossRef