SUBJECT:  B-splines and splines parameterized by their values at 
          reference points on the x-axis
AUTHORS:  Roger Newson
          Guy's, King's and St Thomas' School of Medicine, London, UK
SUPPORT:  roger.newson@kcl.ac.uk

HELP:
From inside Stata, on-line help is available.  Type


   . help bspline
   . help frencurv