Electronic controls and traffic safety :  Background papers prepared for the use of participants, and final report / 

 - New York :  Safety Education Project, Teachers College, Columbia University,  1958. 
 - 95 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic traffic controls--Congresses.
<br/><br/><label>Dewey Class. No.: </label>388.3  / COE 1958