Stumbling Colossus: The Red Army on the Eve of World War (Modern War Studies )
by David M. Glantz
http://www.kansaspress.ku.edu/glastu.html
David Glantz claims that in 1941 the Red Army was poorly trained, inadequately equipped, ineptly organized, and consequently incapable of engaging in large-scale military campaigns.
-----------
http://stonebooks.com/archives/980531.shtml
---------
Units on the front-line were short of ammo, fuel and key equipment. ( this one from the Amazon.com site of Stumbling Colossus )
--------
Glantzī Colossus reborn (2005) might help find answers after 1942?