Emergency vehicle warning lights :  state of the art / 
prepared by Gerald L. Howett, with Kenneth L. Kelly and E. Thomas Pierce ; prepared for National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration, U.S. Department of Justice 
 - Washington, D. C. :  U. S. Dept. of Commerce,  1978 
 - 165 p. :  ill. ;  26 cm. 
 - NBS special publication ;  480-16 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Emergency vehicles--Lighting
<br/><br/><label>Dewey Class. No.: </label>629.2293