Ali Lakhia Efficient Interactive Rendering of Detailed Models with Hierarchical Levels of Detail. 275-282 2004 conf/3dpvt/2004 3DPVT http://doi.ieeecomputersociety.org/10.1109/TDPVT.2004.1335206 db/conf/3dpvt/3dpvt2004.html#Lakhia04