1. Stiffness reductions of flexible pavements due to cumulative fatigue damage;Callop;J Transp Eng ASCE,1996
2. Variations in backcalculated pavement layer moduli in LTTP seasonal monitoring sites;Briggs,2000
3. Seismic pavement analyzer vs. FWD for pavement evaluation: comparative study;Tawfiq,2000
4. Will nonlinear backcalculation help;Ullidtz,2000
5. Nondestructive evaluation of pavements by surface wave method;Nazarian,1989