Smoothing curvature and torsion with spring splines.

P. H. Wagner X. Luo Kim A. Stelson Smoothing curvature and torsion with spring splines. 615-626 1995 27 Comput. Aided Des. 8 https://doi.org/10.1016/0010-4485(95)99798-D db/journals/cad/cad27.html#WagnerLS95