Camargo, L.F.M., Resendiz, E., Hart, J., Edwards, J.R., Ahuja, N. and Barkan, C.P.L. (2011) Machine Vision Inspection of Railroad Track. USDOT Region V Regional University Transportation Center Final Report, NEXTRANS Project No. 0281Y02.
 Marino, F., Distante, A., Mazzeo, P.L. and Stella, E. (2007) A Real-Time Visual Inspection System for Railway Maintenance: Automatic Hexagonal-Headed Bolts Detection. IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews, 37, 418-428.
 Heckel, T., Thomas, H.M., Kreutzbruck, M. and Rühe, S. (2009) High Speed Non-Destructive Rail Testing with Advanced Ultrasound and Eddy-Current Testing Techniques. Indian National Seminar & Exhibition on Non-Destructive Evaluation, NDE, 10-12 December 2009.
 Minardo, A., Porcaro, G., Giannetta, D., Bernini, R. and Zeni, L. (2013) Real-Time Monitoring of Railway Traffic Using Slope-Assisted Brillouin Distributed Sensors. Journal of Applied Optics, 52, 3770-3776.
 Frankenstein, B., Augustin, J., Hentschel, D., Schubert, F., Köhler, B. and Meyendorf, N. (2007) Acoustic Techniques for Structural Health Monitoring. Review of Progress in Quantitative Nondestructive Evaluation, 27B, 1428-1435.
 Peng, C., Gao, X., Wang, L., Zhang, Y., Peng, J. and Yang, K. (2011) Ultrasonic Signal Multiplex Technology for Dynamic Wheelset Defect Detection System. 2011 International Conference on Information Technology, Computer Engineering and Management Sciences (ICM), Nanjing, 24-25 September 2011, 260-262.
 Willems, H., Jaskolla, B., Sickinger, T., Barbian, O.A. and Niese, F. (2010) Advanced Possibilities for Corrosion Inspection of Gas Pipelines Using EMAT-Technology. 10th European Conference on Non-Destructive Testing, Moskau, 7-11 June 2010, CD-ROM.
 Zhou, Z., Zhang, H. and Wei, D. (2010) Application of Pulse Compression Technique in Air-Coupled Ultrasonicnon-Destructive Testing on Composite Material. 10th European Conference on Non-Destructive Testing, Moskau, 7-11 June 2010.
 Blouin, A., Lvesque, D., Kruger, S. and Monchalin, J. (2009) Laser Ultrasonics for NDE in the Automotive Industry. 6th International Workshop for Signal Processing for NDE of Materials, London Ontario, Canada, 25-27 August 2009.
 Ollier, B. (2006) Intelligent Infrastructure—The Business Challenge. Proceedings of IET International Conference on Railway Condition Monitoring, Birmingham, 29-30 November 2006, 1-6.
 Da Costa Marques Pimentel, R., et al. (2008) Hybrid Fiber-Optic/Electrical Measurement System for Characterization of Railway Traffic and Its Effects on a Short Span Bridge. IEEE Sensors Journal, 8, 1243-1249.
 Larose, E., Lobkis, O.I. and Weaver, L. (2006) Passive Correlation Imaging of a Buried Scatterer. The Journal of the Acoustical Society of America, 119, 3549-3552.
 Sabra, K.G., et al. (2007) Using Cross Correlations of Turbulent Flow-Induced Ambient Vibrations to Estimate the Structural Impulse Response. Application to Structural Health Monitoring. The Journal of the Acoustical Society of America, 121, 1987-1995.
 Moulin, E., Leyla, N.A., Assad, J. and Grondel, S. (2009) Applicability of Acoustic Noise Correlation for Structural Health Monitoring in Nondiffuse Field Conditions. Applied Physics Letters, 95, Article ID: 094104.
 Lobkis, O.I. and Weaver, R.L. (2001) On the Emergence of the Green’s Function in the Correlations of Diffuse Field. The Journal of the Acoustical Society of America, 110, 3011-3017.
 Rickett, J. and Claerbout, J. (1999) Acoustic Daylight Imaging via Spectral Factorization: Helioseismology and Reservoir Monitoring. The Leading Edge, 18, 957-960.
 Sabra, K.G., Roux, P. and Kuperman, W.A. (2005) Emergence Rate of the Time-Domain Green’s Function from the Ambient Noise Cross-Correlation Function. The Journal of the Acoustical Society of America, 118, 3524-3531.
 Nagayama, T., Abe, M., Fujino, Y. and Ikeda, K. (2005) Structural Identification of a Nonproportionally Damped System and Its Application to a Full-Scale Suspension Bridge. Journal of Structural Engineering, 131, 1536-1545.
 Snieder, R. and Safak, E. (2006) Extracting the Building Response Using Seismic Interferometry: Theory and Application to the Millikan Library in Pasadena, California. Bulletin of the Seismological Society of America, 96, 586-598.
 Draeger, C., Aime, J.-C. and Fink, M. (1999) One-Channel Time-Reversal in Chaotic Cavities: Experimental Results. The Journal of the Acoustical Society of America, 105, 618-625.
 Benmeddour, F., Treyssde, F. and Laguerre, L. (2011) Numerical Modeling of Guided Wave Interaction with Non-Axisymmetric Cracks in Elastic Cylinders. International Journal of Solids and Structures, 48, 764-774.