Jim Rosenberg Mark Bernstein Catherine C. Marshall Paul De Bra David E. Millard Frank M. Shipman III Chain saws for sculptural Hypertext. 137 2002 conf/ht/2002 Hypertext http://doi.acm.org/10.1145/513338.513341 db/conf/ht/ht2002.html#RosenbergBMBMS02