_coder">Arithmetic coding routines</a>
<dd><i>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp(from Moffat, Neal and Witten, Proc. DCC, April 1995)</i>
<br>
<dd>
<a href="ftp://ftp.cpsc.ucalgary.ca/pub/projects/ar.cod">CACM Arithmetic coding package</a>
<dd><i>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp(Witten, Neal and Cleary, CACM 30:520-541, June 1987)</i>
<br>
<dd>
<a href="ftp://nic.funet.fi/pub/graphics/misc/test-images/jbig.tar.gz">JBIG Source code</a> <i>Includes a Q-coder</i>
<br>
<dd><a href="http://wwwcip.i