Michael FiglWolfgang BirkfellnerFranz WatzingerFelix WanschitzJohann HummelRudolf A. HanelRolf EwersHelmar BergmannPC-based control unit for a head-mounted operating microscope for augmented-reality visualization in surgical navigation.2002Image-Guided Procedureshttps://doi.org/10.1117/12.466983conf/miigp/2002db/conf/miigp/miigp2002.html#FiglBWWHHEB02