Section 5A titled "Soil Improvement and Stabilization: Non-Grouting Techniques" in Practical Foundation Engineering Handbook, McGraw-Hill, Edited by Robert Wade Brown, December 1995, pp. 5.1 - 5.276.

Lawton, E. C., Fox, N. S., and Handy, R. L. (1994). "Short Aggregate Piers Defeat Poor Soils." Civil Engineering, ASCE, Vol. 64, No. 12, December, pp. 52-55.