TY  - BOOK
AU  - Jones, T E 
TI  - A study of the cost-effectiveness of grading unpaved roads in developing countries
U1  - 388.11091724 
PY  - 1986///
CY  - Washington,
PB  - Transport and road research laboratory,
KW  - MCE
N1  - 0; 0; 0; 388_110917240000000_JON
ER  -