Investigation of serious railway accidents suspected to be caesed by sabotage :  a study by a syndicate of XX senior officers course(march-September 1970)under the supervision of shri R.Deb / 
Published by National Police Academy 
 - Abu :  National Police Academy ,  1969 
 - 58 p. :  22 cm. 
<br/><br/><label>ISBN: </label> PB 
<br/><br/><label>Dewey Class. No.: </label>385.1[1](54)