00395pab a2200133 454500008004000000100002800040245007100068260000900139300001400148362001200162650001400174650002000188773005300208180718b2012   xxu||||| |||| 00| 0 eng d  aSrivastava, Abhay Kumar  aDeciphering of postal seal and obliteration using digital filters   c2012  ap.96-101.  aJul-Dec  aComputers  aPostal services  aIndian Journal of Criminology and Criminalistics