Railroad track and facilities / 
Transportation Research Board, Commission on Sociotechnical Systems, National Research Council. 
 - Washington, D.C. :  National Academy of Sciences,  1980. 
 - iv, 66 p. :  ill. ;  28 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0309030528 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Railroad tracks
<br/><br/><label>Dewey Class. No.: </label>625.14  / NAT