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The net is that for every second Erratum Dear Editor: I have discovered two errors in my September 1985 article, "The Beta2-spline: A Special Case of the Beta-spline Curve and Surface Representation," ... The first flaw he mentions is the lack of curves beyond 2.5 seconds. In my article data was provided to extend the curves beyond 2.5 seconds. ...doi:10.1109/mcg.1986.276546 fatcat:rpilcwmyvncbnl2wx26qvqs6v4