Kin-Shing D. Cheng Wenping Wang Hong Qin Kwan-Yee Kenneth Wong Huaiping Yang Yang Liu Fitting Subdivision Surfaces to Unorganized Point Data Using SDM. 16-24 2004 conf/pg/2004 Pacific Conference on Computer Graphics and Applications http://csdl.computer.org/comp/proceedings/pg/2004/2234/00/22340016abs.htm db/conf/pg/pg2004.html#ChengWQWYL04