1. Tan Tien Nguyen, Dong Kyu Kim, Yong Woo Rho, and Sang Bong Kim, “Dynamic Modeling and Its Analysis for PIG Flow through Curved Section in Natural Gas Pipeline”, proceedings of 2001 IEEE international symposium on computational intelligence in robotics & automation, July 29- August 1, 2001, Canada.
2. Muhammad Ahsan Pasha, Tariq Mairaj Khan, “A Pipeline Inspection Gauge Based on Low-Cost Magnetic Flux Leakage Sensing Magnetometers for Non-Destructive Testing of Pipelines”, International Conference of emerging technologies (ICET), 2016.
3. H. Ogai and B. Bhattacharya, “Pipe Inspection Robots for Structural Health and Condition Monitoring, Intelligent Systems, Control, and Automation: Science and Engineering” 89, https://doi.org/10.1007/978-81-322-3751-8_2
4. www. Girardindustries.com
5. John Faber Archila, Marcelo Becker “Study of Robots to Pipelines, Mathematical Models and Simulation”, 2013 IEEE Latin American Robotics Symposium.