TY  - GEN
ED  - NATIONAL RESEARCH COUNCIL
TI  - MAINTENANCE PRACTICES
U1  - 625.76 NAT 
PY  - 1965///
CY  - WASHINGTON
PB  - NATIONAL ACADEMY OF SCIENCES
N1  - HIGHWAY RESEARCH RECORD NO. 94; 0; 0; 0; 625_760000000000000_NAT
ER  -