Cline,
A. K.
(1974):
Scalar- and Planar- Valued Curve Fitting Using Splines Under Tension.
In
Communications of the ACM,
17
(4)
pp. 218-220.
Cline,
A. K.
(1974):
Six Subprograms for Curve Fitting Using Splines Under Tension [E2] (Algorithm 476).
In
Communications of the ACM,
17
(4)
pp. 220-223.