d11d8a62045aeb67eaadcb6f48fef682  clauexi_a1995p130.pdf		
a1b8c9e2db1d30132e6e60926d687d76  clavexi_a1995p160.pdf		
eae4523dab73efd49186cf24fb308eb9  keysuc_a1995p124.pdf