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Circulation (architecture)
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<h2 id="references">References</h2> <ol> <li id="fn:1"><p>http://www.britannica.com/EBchecked/topic/118392/circulation "circulation (architecture)" in Britannica Online Encyclopedia <a href="http://www.britannica.com/EBchecked/topic/118392/circulation" target="_blank">http://www.britannica.com/EBchecked/topic/118392/circulation</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> </ol>