TY  - BOOK
AU  - Tpt & Research Laboratry.
TI  - Road notice 31: A guide to the structural design of bitumen - surfaced roads in tropical and sub - tropical countries
U1  - 625.85 
PY  - 1977///
CY  - London.
PB  - Her Majesty's Stationery Office.
KW  - MCE
ER  -