/Pearl/document/
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-rwxr-xr-x 2010-09-18 05:13 +0800 42332 llncs.cls
-rw-r--r-- 2010-09-18 05:13 +0800 4032 root.bib
-rw-r--r-- 2010-09-18 05:13 +0800 2284 root.tex