India railway standard specification for electrically operated overhead travelling cranes / 
Railway Board, Ministry of Railways, Govt. of India ; Issued by Research, Design and Standard Organisation 
 - Lucknow :  Author,  1968 
 - 46 p. ;  21 cm. 
 - Serial No. E 30-67 .
<br/><br/><label>Dewey Class. No.: </label>625.222