1. Backscatter/transmission X-ray thickness gauge;Allport;NDT E Int.,1987
2. Flow Induced Pulsations (FLIP) in 6-inch Rough Bore Gas Flexible Pipes Test”;Décuupère,2019
3. Sensitivity of the combined radiation method of measuring the local thickness in metallic pipes;Drabkin;Sov. J. Nondestr. Test,1988
4. Handbook on design and operation of flexible pipes,2014
5. Part 1 – physical principles;H Bossi,2002