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</ol>
<p> </p>
<h2p><span class="mw-headline"><font size="5">See also</font></span></h2p>
<ul>
<li>Rounding (sediment) </li>
<li>[[Structural biology]]</li>
</ul>
<p><a id="External_links" name="External_links"></a> </p><h2p><span class="mw-headline"><font size="5">External links</font></span></h2p>
<ul>
<li><a class="external text" title="http://www.howround.com/" rel="nofollow" href="http://www.howround.com/">How round is your circle?</a> </li>
<li><a class="external text" title="http://people.uncw.edu/dockal/gly312/grains/grains.htm" rel="nofollow" href="http://people.uncw.edu/dockal/gly312/grains/grains.htm">Grain Morphology: Roundness, Surface Features, and Sphericity of Grains</a> </li>
</ul>