@book{547515,
	author = {Organisation for Economic Co-operation and Development.},
	title = {Maintenance of rural roads: principles of a road maintenance management system;},
	publisher = {Organisation for Economic Co-operation and Development, [OECD Sales Agent, U.S.A.: OECD Publications Center, Washington, D.C.]},
	year = {1972.},
	address = {[Paris]}
}