It is in Russian, but for those who are interested, I suppose, there is no problem in using google translator or something similar. The peculiarity of this article is that the subject of it - Starshiy Leytenant Nikolay Smirnov had four victories (all over Stalingrad) and three of his four victories can be found in German loss records. That is a very good ratio, unachievable for 90% of Soviet aces...
http://owl-99.livejournal.com/945.html#cutid1