Transportation and the prospects for improved efficiency  [electronic resource].  

 - Washington,  National Academy of Engineering  1973.  
 - 1 online resource (ix, 270 p.  illus. 
<br/><br/> A symposium sponsored by the National Science Foundation, and others, at the 8th autumn meeting of the National Academy of Engineering, Oct. 12-13, 1972.  
<br/><br/>Use copy 
<br/><br/><br/>Electronic reproduction. <br/>[S.l.] : <br/>HathiTrust Digital Library, <br/>2010. 
<br/><br/><br/>Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. <br/>https://purl.oclc.org/DLF/benchrepro0212 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Urban transportation--Congresses.<br/>Transports urbains--Congr?es.
<br/><br/><label>LC Class. No.: </label>TA1205  / .T7