TY  - SER
ED  - Transport and Road Research Laboratory.
TI  - TRRL report
U1  - 41979 
PY  - 1972///-
CY  - Crowthorne, Berkshire
PB  - Transport and Road Research Laboratory, Dept. of the Environment
KW  - Roads
KW  - Design and construction
KW  - Road materials
KW  - Highway engineering
N2  - Includes addenda to some nos. of the earlier title
ER  -