Tom Mertens Jan Kautz Philippe Bekaert Hans-Peter Seidel Frank Van Reeth Interactive rendering of translucent deformable objects. 2003 conf/siggraph/2003 SIGGRAPH http://doi.acm.org/10.1145/965400.965409 db/conf/siggraph/siggraph2003.html#MertensKBSR03