eba4b4a12c1b171d59f65e0c04bd6509  clauexi_a1995p209.pdf		
5a5a1d5ea44028e7ceb411bf9d65cbed  clavexi_a1995p250.pdf		
baf4faa0d916f513db8a86bea57075ad  keysuc_a1995p203.pdf