Why are you researching this? Curiosity? or are you forming your own tank division? 
I am going to slowly update the Wikipedia page for Aces High ground vehicles, most are completely empty which little or no knowledge,
as we all know wikipedia itself is a joke in a sense for accurate information, I plan to update each page accordingly and accurately as possible.
I have a few arguments to make with the "Panther" we have in game, in order to do so I am building my case first.
As lyric pointed out in another thread, the Ar-234 did not have rear 20mm cannons, I have a few arguments on the Panther G which
would require game changes, knowing the divisions the Panther was used, I can go through wartime documents to help elevate my argument.