1. Anon. Interim report of the working party on the slippage of rolled asphalt wearing courses. TRRL report SR 213UC; 1976.
2. Kennedy CK. The development of slip-planes in rolled asphalt surfacings. TRRL report LR 813; 1978.
3. Anon. Final report of the working party on the slippage of rolled asphalt wearing courses. TRRL report SR 493; 1979.
4. Experimental studies of slippage, the performance of rolled asphalt road surfacings;Kennedy,1980
5. The incidence and investigation of slippage failures, the performance of rolled asphalt road surfacings;Peattie,1980