TY  - BOOK
TI  - Manual for Design Construction & Maintenance of Gravel Roads IRC : SP : 77 - 2008
U1  - IRC : SP : 77 - 2008 
PY  - 2008///
CY  - New Delhi
PB  - The Indian Roads Congress
KW  - Civil Engineering
N1  - IRC : SP : 77 - 2008
ER  -