TY  - BOOK
ED  - Gran Bretaña. Department of the Environment. Scottish Developmente Department. Welsh Office.
TI  - Specification for road and bridge works
PY  - 1969///
CY  - London : 
PB  - Her Majesty's stationery office, 
KW  - CAMINOS
KW  - RUTAS
KW  - PUENTES
KW  - MATERIALES
ER  -