Ahuja, T. D <br/><br/>
Roads, railways, bridges and tunnel engineering / 
T. D. Ahuja and G. S. Birdi 
 - 4th ed. 
 - Delhi :   Standard Book House,   c1975. 
 - xvi, 454 p.:  table, ill.  22 cm. 
<br/><br/>
<br/><br/><br/>English  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroad engineering<br/>Transportation engineering<br/>Roads
<br/><br/><label>Dewey Class. No.: </label>625.7/AHR