xviiith world road congress, Brussels 13-19 Sept. 1987: Question III - Brussels: Permanent International Association of Road Congresses, 1987. - 317p.: ill.; 21cm. - (Question III: Construction and maintance of rigid pavements) . Subjects--Topical Terms: RoadsPavementsMaintenance and repairCongresses LC Class. No.: FCM HE332.W67 no.3