<strong>Schaefer, V.R., Abramson, L.W., Drumheller, J.C., Hussin, J.D., and Sharp, K.D., Editors. (1997).</strong> “Ground Improvement, Ground Reinforcement, Ground Ttreatment: Developments 1987-1997.” <em>Geotechnical Special Publication No. 69</em>, ASCE, New York.