<strong>Schaefer, V.R., Berg, R.R., Collin, J.G., Christopher, B.R., DiMaggio, J.A., Filz, G.M., Bruce, D.A., and Ayala, D. (2016).</strong> “Ground Modification Methods,” Federal Highway Administration, Washington, DC, FHWA NHI-16-027 (Vol. I), 386p.

<a href="https://www.fhwa.dot.gov/engineering/geotech/pubs/nhi16027.pdf">Ground Modification Methods – Reference Manual – Volume I</a>