<a href="http://www.tanks-encyclopedia.com/ww2/soviet/soviet_NI_Odessa_tank.php" rel="nofollow">http://www.tanks-encyclopedia.com/ww2/soviet/soviet_NI_Odess...</a> has quite a bit more info (and I would think it is accurate, insofar as one can say that about such ‘less than optimally’ documented subjects, 70+ years after the fact)