Gatling, Frank P. <br/><br/>
Further studies on auditorr messages/ 
Krank P. Gatling 
 - Washington, D.C.:  US Federal Highway Administration, Office of Development, Office of Research and Development,  1977 
 - ii, 39 p. :  ill. ;  27 cm. 
 - United States Federal Highway Administration ; Report .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Auditory perception<br/>Radio<br/>Voice communication
<br/><br/><label>Dewey Class. No.: </label>384.53