Visual aspects of road markings : joint technical report CIE/PIARC. - Vienna,Austria : Central Bureau of the CIE, 1988. - vii, 53 p. : ill. - CIE publication ; no.73 (1988) . - Publication (International Commission on Illuminaltion) ; no.73 (1988) . notes in English,French and German LCCN: 44041540 Subjects--Topical Terms: Road markings.Roads--Design and construction