This directory contains all the thread classes.
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 See:
<ul>
<li><a href="ftp://root.cern.ch/root/doc/23Threads.pdf">The Chapter about the Thread classes in the Users Guide
    </a></li>
<li><a href="http://root.cern.ch/root/HowtoThread.html">How to use the ROOT Thread classes
    </a></li>
</ul>
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