Greenshields, Bruce D. <br/><br/>
Quality and theory of traffic flow 
by Bruce D. Greenshields...[et.al] 
 -  Bureau of Highway Traffic  1961 
 - x, 188p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic surveys
<br/><br/><label>Dewey Class. No.: </label>W4 Y12q