00706cam a2200157 4500 9264111077 625.76 MAI Organisation for Economic Co-operation and Development. 2909 Maintenance of rural roads: principles of a road maintenance management system; a report prepared by an OECD road research group, August 1973. [Paris] Organisation for Economic Co-operation and Development, [OECD Sales Agent, U.S.A.: OECD Publications Center, Washington, D.C.] 1972. 171 p. illus. 27 cm. 0 0 0 625_760000000000000_MAI MCE 379 Rural roads Maintenance and repair. 43700 ddc BK 547515 547515 0 0 ddc 0 0 MCE MCE 2014-07-21 0 625.76 MAI MCE-42726 2014-07-21 2014-07-21 BK