J. E. Gumbel
- A new method for the structural design of flexible liners for gravity pipes of egg-shaped cross section: Theoretical considerations and formulation of the problem. Dans: Thin-Walled Structures, v. 85 (décembre 2014). (2014):
- Structural analysis of sewer linings by B. Falter (Trenchless Technology Research 11(2), 27–41, 1996). Dans: Tunnelling and Underground Space Technology, v. 12, n. 1 (janvier 1997). (1997):
- Research requirements in support of the renovation of pressure and non-pressure pipes. Dans: Tunnelling and Underground Space Technology, v. 22, n. 5-6 (septembre 2007). (2007):