Hugues Hoppe Tony DeRose Tom Duchamp Mark A. Halstead Hubert Jin John Alan McDonald Jean Schweitzer Werner Stuetzle Piecewise smooth surface reconstruction. 295-302 1994 conf/siggraph/1994 SIGGRAPH http://doi.acm.org/10.1145/192161.192233 db/conf/siggraph/siggraph1994.html#HoppeDDHJMSS94