Transforming an under-constrained geometric constraint problem into a well-constrained one.

Robert Joan-Arinyo Antoni Soto-Riera Sebastià Vila-Marta Josep Vilaplana-Pasto Transforming an under-constrained geometric constraint problem into a well-constrained one. 33-44 2003 conf/sma/2003 Symposium on Solid Modeling and Applications http://doi.acm.org/10.1145/781606.781616 db/conf/sma/sma2003.html#Joan-ArinyoSVV03