Maintenance research problem statements.

Bibliografiset tiedot
Yhteisötekijä:	National Research Council (U.S.). Transportation Research Board
Aineistotyyppi:	Kirja
Kieli:	English
Julkaistu:	Washington, D.C. Transportation Research Board [1992]
Sarja:	Transportation research circular no. 401 (Dec. 1992) Transportation Research Circular Number 401
Aiheet:	Pavements > Maintenance and repair > Management. Pavements > Maintenance and repair > Management > Data processing. Pavements > Maintenance and repair > Management > Research.