Issue No.09 - September (1985 vol.5)
Brian Barsky , 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, "The Beta2-spline: A Special Case of the Beta-spline Curve and Surface Representation", IEEE Computer Graphics and Applications, vol.5, no. 9, pp. 46-58, September 1985, doi:10.1109/MCG.1985.276524