Thiessen polygons in GRASS?

Thanks Andrea for you message:

On Sat, 7 Oct 1995 18:54:08 +0000 Andrea Giacomelli said:

Check s.voronoi

--
                      Andrea Giacomelli
                      andreag@idra6.iar.polimi.it
                      http://idra6.iar.polimi.it:8080/~andreag
                      tel: +39-2-23996233 fax: +39-2-23996207

I can't find s.voronoi in the reference manual. Would you know where I could
find it? Thanks,

Luc