(HTM) 1.html
 (HTM) 10.html
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 (HTM) 1999.html
 (HTM) 2.html
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 (HTM) 3.html
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 (TXT) ?C=D
 (TXT) ?C=M
 (TXT) ?C=N
 (TXT) ?C=S
 (DIR) abstracts
 (DIR) articles
 (HTM) index.html
 (DIR) tex