Doug, I realize that. However the processes are close cousins. They both use ferric oxalate. It's really just the metal salt that's different.
Many people use EDTA with Kallitypes as well. Citric acid is not usually enough to remove the iron completely.
I forgot to mention that I do also tone my kallitypes with a noble metal like gold or platinum.
Dick Steven's new book: http://www.amazon.com/Kallitype-The-...vens+kallitype