Lighting problems in highway traffic 
edited by Erik Ingelstam 
 - Oxford  Pergamen  1963 
 - 151p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light --Physiological effect --Congresses<br/>Automobiles --Lighting --Congresses<br/>Roads --Lighting --Congresses
<br/><br/><label>Dewey Class. No.: </label>X7 In4