References - orthorectification & stereo extraction of DEMs

[Ken Hardis]

I would like to learn more about orthorectification of imagery
and extraction of digital elevation models from stereo imagery.
Can anyone recommend good references for both of these topics?

Thanks,
Ken Hardis
Visual Systems Scientist
Insitute for Simulation & Training/
   Visual Systems Lab
University of Central Florida

E-mail - hardis at vsl.ist.ucf.edu
Phone  - 407/658-5511
________________________________________________________________
Ken Hardis           Institute for Simulation & Training      
                     Visual Systems Lab                       
                     hardis at vsl.ist.ucf.edu , (407) 658-5511
________________________________________________________________