2001 journal article
A potential model for compaction evaluation of piedmont soils using Dynamic Cone Penetrometer (DCP)
Geotechnical Testing Journal, 24(3), 308–313.
By: M. Gabr, J. Coonse & P. Lambe
Model for resilient modulus and permanent strain of subgrade soils
In Testing of conventional and unconventional aggregates and soils (pp. 85–93).
By: A. Muhanna, M. Rahman & P. Lambe