A. Carvalho, J. Rebello, M. Souza, L Sagrilo and S. Soares, “Reliability of Non-Destructive Test Techniques in the Inspection of Pipelines Used in the Oil Industry,” International Journal of Pressure Vessels and Piping, Vol. 85, No. 11, 2008, pp. 745-751. doi:10.1016/j.ijpvp.2008.05.001
 D. Sinha, “Acoustic Sensor for Pipeline Monitoring,” Los Alamos National Laboratory, 2005. http://www.netl.doe.gov/technologies/oil-gas/publications/td/FWP 02FE05_0705Report.pdf
 M. klann and T. Beuker, “Pipeline Inspection with the High Resolution Ultrasonic Ili-Tool: Report on Field Experience,” Proceedings of the 6th International Pipeline Conference, Calgary, 25-29 September 2006.
 C. R. Fuller and F. J. Fahy, “Characteristics of Wave Propagation and Energy Distribution in Cylindrical Elastic Shells Filled with Fluid,” Journal of Sound and Vibration, Vol. 81, No. 4, 1982, pp. 501-518.
 T. Meurer, J. Qu and L. Jacobs, “Wave Propagation in Nonlinear and Hysteretic Media—A Numerical Study,” International Journal of Solids and Structures, Vol. 39, No. 21-22, 2002, pp. 5585-5614. doi:10.1016/S0020-7683(02)00366-9
 Z. Sun, P. Wang, C. Mehmet, M. Al-Rodhaan and A. AlDhelaan, “Magnetic Induction-Based Wireless Sensor Networks for Underground Pipeline Monitoring,” AD Hoc Networks, Vol. 9, No. 3, 2010, pp. 218-227.