Spline approximation of offset curves

Arnold, 1986, Quadratische und Kubische Offset-Bézierkurven Barsky, 1981, The beta-spline, a local representation based on shape parameters and fundamental geometric measures Boehm, 1984, A survey of curve and surface methods in CAGD, Computer Aided Geometric Design, 1, 1, 10.1016/0167-8396(84)90003-7 Boehm, 1985 Boehm, 1987, Rational geometric splines, Computer Aided Geometric Design, 4, 67, 10.1016/0167-8396(87)90025-2 Farouki, 1986, The approximation of non-degenerated offset surfaces, Computer Aided Geometric Design, 3, 15, 10.1016/0167-8396(86)90022-1 Faux, 1981 Geise, 1962, Über berührende Kegelschnitte einer ebenen Kurve, Zeitschr. Angew. Math. Mech., 42, 297, 10.1002/zamm.19620420704 Hagen, 1984, Geometric spline curves, Computer Aided Geometric Design, 2, 223, 10.1016/0167-8396(85)90028-7 Hoschek, 1985, Offset curves in the plane, Computer-aided Design, 17, 77, 10.1016/0010-4485(85)90249-0 Hoschek, 1987, Approximate conversion of spline curves, Computer Aided Geometric Design, 4, 59, 10.1016/0167-8396(87)90024-0 Hoschek, 1988, Intrinsic parametrization for approximation, Computer Aided Geometric Design, 5, 27, 10.1016/0167-8396(88)90017-9 Hoschek, 1988, Optimal approximate conversion of spline curves and spline approximation of offset curves, Computer-aided Design, 10.1016/0010-4485(88)90006-1 Jacob, 1982 Klass, 1983, An offset spline approximation for plane cubic splines, Computer-aided Design, 15, 297, 10.1016/0010-4485(83)90019-2 Nielson, 1974, Some piecewise polynomial alternatives to splines under tension, 209