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 == Sides of the conflict and their actions == 

 Its supposed to be a section title. It needs to be SHORT. The shorted way, not from a Soviet book, is Opposing forces. Short and sweet. 
 Now there were Soviet operations that preceded the siege, Whermacht operations to try and prevent Red Army forming effective defense, creation of the siege defenses, and Wehrmacht attempts to breach them The there were the attempts to relive the siege and the final liberating counteroffensive. Where is all that in your article? Where are the orders of battle? Where are the strategies and tactics of the besiegers and the besieged? 
 Please, I would really like to work with you, and not against you, but your editing style is very inflexible and does not actually deal with the subject. This is supposed to be an encyclopaedia, not a book so try and keep to essential facts and keep it short.    "