Links are dead?
PvR

Eric Haines schreef
I've just finished a tree identification site and perl program, it's
at http://www.acm.org/tog/editors/erich/trees/trees.html. I've also
made a quiz program, it's at
http://www.acm.org/tog/editors/erich.../treequiz.html - this
program's pretty easy much of the time, as you'll get questions like
Eric