Logo of the <a href="https://en.wikipedia.org/wiki/Holographic_Versatile_Disc" class="extiw" title="en:Holographic Versatile Disc">Holographic Versatile Disc</a>.
HVD Forum
20 April 2013 (upload date)
<span class="url"><a rel="nofollow" class="external text" href="http://www.thic.org/pdf/Jul05/optware.mdeese.050719.pdf">thic.org/pdf/Jul05/optware.mdeese.050719.pdf</a></span>