d STB-51 gr39.  3D surface plots.
d STB insert by Adrian Mander, Cambridge, UK.
d Support:  adrian.mander@@mrc-bus.cam.ac.uk
d After installation, see help ^surface^.

f gr39/surface.ado
f gr39/surface.hlp
f gr39/surface.do
f gr39/surf1.dta
f gr39/surf2.dta
f gr39/surf3.dta
f gr39/surf4.dta
f gr39/surf5.dta
f gr39/surf6.dta
f gr39/surf7.dta
f gr39/surf8.dta