Maintenance of rural roads: principles of a road maintenance management system; (Road research)

by Organisation for Economic Co-operation and Development Paperback details (USA). ISBN: 978-92-64-11107-3 ISBN-10: 92-64-11107-7 Organisation for Economic Co-operation and Development, [OECD Sales Agent, U.S.A.: OECD Publications Center, Washington, D.C.] · 1972