Proceedings :   Part I: Reports of Research Committees and Papers /  
edited by Roy W. Crum 
 - Washington, D.C. :   National Research Council,   1931 
 - 420 p. 
<br/><br/> Division of Engineering and Industrial Research. National Research Council 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CARRETERA
<br/><br/><label>Universal Decimal Class. No.: </label>625.7