Issue No. 09 - September (1985 vol. 5)
Brian Barsky , University of California, Berkeley
Tony DeRose , University of California, Berkeley
Simpler equations and computationally more efficient algorithms make the Beta2-spline technique easier to understand and useful to the designer.
Brian Barsky, Tony DeRose, "The Beta2-spline: A Special Case of the Beta-spline Curve and Surface Representation", IEEE Computer Graphics and Applications, vol. 5, no. , pp. 46-58, September 1985, doi:10.1109/MCG.1985.276524