Indian Railway standard specification for inspection and testing of S. M. S control frame(tentative) / 
Issued by the Research Designs and standards Drganisation, Lucknow 
 - Gorakhpur :  N. E. Railway Press,  1974 
 - 6 p ;  20 cm. 
 - IRS serial no.S 48-74 .
<br/><br/><label>Dewey Class. No.: </label>625.165