Singh, Jaggit <br/><br/>
Statistical aids to railway operation 

 - Lucknow  Asia publishing house   1965 
 - vii, 195p. 
<br/><br/> includes index 
<br/><br/><label>Subjects--Index Terms: </label>Statistics 
<br/><br/><label>Dewey Class. No.: </label>385.072 2  / SIN