http://xalrazutis.org/alchemists/visual_alchemy/holo_hist.html
http://www.holograms.co.uk/
http://innovation.swmed.edu/research/instrumentation/res_inst_dev3d.html
http://www.holographer.com/history1.htm
http://www.universities.com/On-Campus/University_Of_Oklahoma_Norman_Campus_Doctors_degree_Electrical_Electronics_and_Communications_Engi_72111.html
http://www.ou.edu/HTIC/
http://www.io2technology.com/technology/overview.htm
http://holophile.com/
http://en.wikipedia.org/wiki/Holograms