ortho-rectify needed

Hi

I need to ortho-rectify several scanned aerial photographs.
I have tried i.rectify.blk but it seems to miss following programs:
i.ortho.control, i.ortho.initial, i.ortho.rectify and
i.ortho.reference.

if anybody could tell me where I can find/get those programs I
would appreciate it.

thanks

Ron Store Ari Turkia
university of joensuu university of joensuu
faculty of forestry faculty of forestry

email: store@gisula1.joensuu.fi email: turkia@cs.joensuu.fi