TY - RPRT TI - A study of overlapping virtual objects on real objects in 3D space. AU - Takamitsu Kondo AU - Katsuya Matsunaga AU - Kazunori Shidoji AU - Yuji Matsuki PY - 2004 UR - https://pubmed.ncbi.nlm.nih.gov/15544265/ ID - 15544265 ER -