TY  - BOOK
AU  - N.A.S Washington
TI  - Bridge and pavement maintenance
SN  - 0-309-03214-8
U1  - 624.28 
PY  - 1981///
CY  - Washington
PB  - N.A.S Washington
KW  - NUST/MCE
N1  - 0; 0; 0; 624_280000000000000_NAT
ER  -