We Made a Mistake Hitler: Russia's Surprising Defense Against Germany. E-book. Formato PDF Lucien Zacharoff   -  Forgotten Books, 2017  - 

Crack mechanized units under the most celebrated leadership were thrown into battle in the Smolensk and N evcl areas. There the élite Of the Wehrmacht have been wiped out altogether, while other divisions, after losing more than half their strength, have been reorganized into regiments. Some German tank regi ments have been transformed into ordinary infantry units that retain the tank regiment designation only by Official grace.