1. American Lifeline Alliance (ALA) (2002). Guidelines for the design of buried pipe. ⟨www.americanlifelinealliance.org⟩.
2. Audibert J. M. E. Lai N. W. and Bea R. G. (1978). “Design of pipelines to resist seafloor instabilities and hydrodynamic forces.” Proc. Energy Technology Conf. and Exhibition Houston Paper 78-PET-37.
3. Soil restraint against horizontal motion of pipes;Audibert J. M. E.;J. Geotech. Eng. Div., Am. Soc. Civ. Eng.,1977
4. Combined loading of skirted foundations