TY  - BOOK
ED  - National Research Council (U.S.).
TI  - Decision methodology for maintenance and upgrading: costs, traffic, and benefits = Methodología de decisiones en la conservación y mejora : costos, transito y beneficios = Méthodologie de prise de décision en matière d'entretien et d'amelioration : coûts, trafic, et avantages 
SN  - 030902997X
U1  - 388.112 
PY  - 1980///
CY  - Washington
PB  - National Academy of Sciences
KW  - MCE
KW  - Roads
KW  - Developing countries
KW  - Maintenance and repair
KW  - Transportation
N1  - "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development."; English, French, or Spanish; 0; 0; 0; 388_112000000000000_NAT
ER  -